Fix PR name (#2926)

cumulus/scripts/ci/gitlab/pipeline/benchmarks.yml

@@ -28,7 +28,7 @@ benchmarks-assets:
     - export CURRENT_TIME=$(date '+%s')
     - export BRANCHNAME="weights-asset-hub-polkadot-${CI_COMMIT_BRANCH}-${CURRENT_TIME}"
     - !reference [.git-commit-push, script]
-    - ./scripts/ci/create-benchmark-pr.sh "[benchmarks] Update weights for asset-hub-kusama/t" "$BRANCHNAME"
+    - ./scripts/ci/create-benchmark-pr.sh "[benchmarks] Update weights for asset-hub-kusama/-polkadot" "$BRANCHNAME"
     - rm -f ./artifacts/polkadot-parachain
     - rm -f ./artifacts/test-parachain
   after_script: