update runners for cmd and docs (#5938)

Updated runners for CMD and Docs

.github/workflows/cmd.yml

@@ -231,9 +231,9 @@ jobs:
           fi
 
           if [[ $BODY == "/cmd bench"* ]]; then
-              echo "RUNNER=arc-runners-polkadot-sdk-benchmark" >> $GITHUB_OUTPUT
+              echo "RUNNER=parity-weights" >> $GITHUB_OUTPUT
           elif [[ $BODY == "/cmd update-ui"* ]]; then
-              echo "RUNNER=arc-runners-polkadot-sdk-beefy" >> $GITHUB_OUTPUT
+              echo "RUNNER=parity-large" >> $GITHUB_OUTPUT
           else
               echo "RUNNER=ubuntu-latest" >> $GITHUB_OUTPUT
           fi

.github/workflows/docs.yml

@@ -29,7 +29,7 @@ jobs:
         env:
           SKIP_WASM_BUILD: 1
   test-doc:
-    runs-on: arc-runners-polkadot-sdk-beefy
+    runs-on: ${{ needs.preflight.outputs.RUNNER }}
     needs: [preflight]
     container:
       image: ${{ needs.preflight.outputs.IMAGE }}