Fix subsystem bench publishing (#5667)

Fixes: https://github.com/paritytech/ci_cd/issues/1034

.github/workflows/subsystem-benchmarks.yml

+name: Subsystem Benchmarks
+
 on:
   push:
     branches:
       - master
   pull_request:
-    types: [ opened, synchronize, reopened, ready_for_review ]
+    types: [opened, synchronize, reopened, ready_for_review]
   merge_group:
 
 concurrency:
@@ -21,27 +23,49 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       IMAGE: ${{ steps.set_image.outputs.IMAGE }}
+      RUNNER: ${{ steps.set_runner.outputs.RUNNER }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
       - id: set_image
         run: cat .github/env >> $GITHUB_OUTPUT
+      - id: set_runner
+        run: |
+          # Run merge queues on persistent runners
+          if [[ $GITHUB_REF_NAME == *"gh-readonly-queue"* ]]; then
+            echo "RUNNER=arc-runners-polkadot-sdk-beefy-persistent" >> $GITHUB_OUTPUT
+          else
+            echo "RUNNER=arc-runners-polkadot-sdk-beefy" >> $GITHUB_OUTPUT
+          fi
 
   build:
     timeout-minutes: 80
-    needs: [ set-image ]
-    runs-on: arc-runners-polkadot-sdk-benchmark
+    needs: [set-image]
+    runs-on: ${{ needs.set-image.outputs.RUNNER }}
     container:
       image: ${{ needs.set-image.outputs.IMAGE }}
     strategy:
       fail-fast: false
       matrix:
-        features: [
-          { name: "polkadot-availability-recovery", bench: "availability-recovery-regression-bench" },
-          { name: "polkadot-availability-distribution", bench: "availability-distribution-regression-bench" },
-          { name: "polkadot-node-core-approval-voting", bench: "approval-voting-regression-bench" },
-          { name: "polkadot-statement-distribution", bench: "statement-distribution-regression-bench" }
-        ]
+        features:
+          [
+            {
+              name: "polkadot-availability-recovery",
+              bench: "availability-recovery-regression-bench",
+            },
+            {
+              name: "polkadot-availability-distribution",
+              bench: "availability-distribution-regression-bench",
+            },
+            {
+              name: "polkadot-node-core-approval-voting",
+              bench: "approval-voting-regression-bench",
+            },
+            {
+              name: "polkadot-statement-distribution",
+              bench: "statement-distribution-regression-bench",
+            },
+          ]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -56,34 +80,38 @@ jobs:
         run: |
           forklift cargo bench -p ${{ matrix.features.name }} --bench ${{ matrix.features.bench }} --features subsystem-benchmarks || echo "Benchmarks failed"
           ls -lsa ./charts
-          mkdir ./artifacts
-          cp ./charts/${{ matrix.features.bench }}.json ./artifacts/${{ matrix.features.bench }}.json
+
       - name: Upload artifacts
         uses: actions/upload-artifact@v4.3.6
         with:
           name: ${{matrix.features.bench}}
-          path: ./artifacts
+          path: ./charts
 
   publish-benchmarks:
     timeout-minutes: 60
-    needs: [ build ]
+    needs: [build]
     if: github.ref == 'refs/heads/master'
     environment: subsystem-benchmarks
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: gh-pages
+          fetch-depth: 0
+
+      - run: git checkout master --
 
       - name: Download artifacts
         uses: actions/download-artifact@v4.1.8
         with:
-          path: ./artifacts
+          path: ./charts
 
       - name: Setup git
         run: |
           # Fixes "detected dubious ownership" error in the ci
           git config --global --add safe.directory '*'
-          ls -lsR ./artifacts 
+          ls -lsR ./charts
 
       - uses: actions/create-github-app-token@v1
         id: app-token
@@ -91,46 +119,50 @@ jobs:
           app-id: ${{ secrets.POLKADOTSDK_GHPAGES_APP_ID }}
           private-key: ${{ secrets.POLKADOTSDK_GHPAGES_APP_KEY }}
 
-      - name: Publish ${{ env.BENCH_NAME }}
-        uses: benchmark-action/github-action-benchmark@v1
+      - name: Generate ${{ env.BENCH }}
         env:
-          BENCH_NAME: availability-recovery-regression-bench
+          BENCH: availability-recovery-regression-bench
+        uses: benchmark-action/github-action-benchmark@v1
         with:
           tool: "customSmallerIsBetter"
-          name: ${{ env.BENCH_NAME }}
-          output-file-path: ./artifacts/${{ env.BENCH_NAME }}/${{ env.BENCH_NAME }}.json
-          benchmark-data-dir-path: ./artifacts/${{ env.BENCH_NAME }}
+          name: ${{ env.BENCH }}
+          output-file-path: ./charts/${{ env.BENCH }}/${{ env.BENCH }}.json
+          benchmark-data-dir-path: ./bench/${{ env.BENCH }}
           github-token: ${{ steps.app-token.outputs.token }}
+          auto-push: true
 
-      - name: Publish ${{ env.BENCH_NAME }}
-        uses: benchmark-action/github-action-benchmark@v1
+      - name: Generate ${{ env.BENCH }}
         env:
-          BENCH_NAME: availability-distribution-regression-bench
+          BENCH: availability-distribution-regression-bench
+        uses: benchmark-action/github-action-benchmark@v1
         with:
           tool: "customSmallerIsBetter"
-          name: ${{ env.BENCH_NAME }}
-          output-file-path: ./artifacts/${{ env.BENCH_NAME }}/${{ env.BENCH_NAME }}.json
-          benchmark-data-dir-path: ./artifacts/${{ env.BENCH_NAME }}
+          name: ${{ env.BENCH }}
+          output-file-path: ./charts/${{ env.BENCH }}/${{ env.BENCH }}.json
+          benchmark-data-dir-path: ./bench/${{ env.BENCH }}
           github-token: ${{ steps.app-token.outputs.token }}
+          auto-push: true
 
-      - name: Publish ${{ env.BENCH_NAME }}
-        uses: benchmark-action/github-action-benchmark@v1
+      - name: Generate ${{ env.BENCH }}
         env:
-          BENCH_NAME: approval-voting-regression-bench
+          BENCH: approval-voting-regression-bench
+        uses: benchmark-action/github-action-benchmark@v1
         with:
           tool: "customSmallerIsBetter"
-          name: ${{ env.BENCH_NAME }}
-          output-file-path: ./artifacts/${{ env.BENCH_NAME }}/${{ env.BENCH_NAME }}.json
-          benchmark-data-dir-path: ./artifacts/${{ env.BENCH_NAME }}
+          name: ${{ env.BENCH }}
+          output-file-path: ./charts/${{ env.BENCH }}/${{ env.BENCH }}.json
+          benchmark-data-dir-path: ./bench/${{ env.BENCH }}
           github-token: ${{ steps.app-token.outputs.token }}
+          auto-push: true
 
-      - name: Publish ${{ env.BENCH_NAME }}
-        uses: benchmark-action/github-action-benchmark@v1
+      - name: Generate ${{ env.BENCH }}
         env:
-          BENCH_NAME: statement-distribution-regression-bench
+          BENCH: statement-distribution-regression-bench
+        uses: benchmark-action/github-action-benchmark@v1
         with:
           tool: "customSmallerIsBetter"
-          name: ${{ env.BENCH_NAME }}
-          output-file-path: ./artifacts/${{ env.BENCH_NAME }}/${{ env.BENCH_NAME }}.json
-          benchmark-data-dir-path: ./artifacts/${{ env.BENCH_NAME }}
+          name: ${{ env.BENCH }}
+          output-file-path: ./charts/${{ env.BENCH }}/${{ env.BENCH }}.json
+          benchmark-data-dir-path: ./bench/${{ env.BENCH }}
           github-token: ${{ steps.app-token.outputs.token }}
+          auto-push: true