Bump marocchino/sticky-pull-request-comment from 2.9.0 to 2.9.1 (#33148)

Co-authored-by: duncanpharvey <[email protected]>

Author: dependabot[bot]

.github/workflows/serverless-benchmarks.yml

@@ -131,7 +131,7 @@ jobs:
           echo "EOF" >> $GITHUB_OUTPUT
 
       - name: Post comment
-        uses: marocchino/sticky-pull-request-comment@331f8f5b4215f0445d3c07b4967662a32a2d3e31 # v2.9.0
+        uses: marocchino/sticky-pull-request-comment@52423e01640425a022ef5fd42c6fb5f633a02728 # v2.9.1
         with:
           header: serverless-benchmarks
           recreate: true

.github/workflows/serverless-binary-size.yml

@@ -171,7 +171,7 @@ jobs:
           ./test/integration/serverless_perf/write_message.sh
 
       - name: Post comment
-        uses: marocchino/sticky-pull-request-comment@331f8f5b4215f0445d3c07b4967662a32a2d3e31 # v2.9.0
+        uses: marocchino/sticky-pull-request-comment@52423e01640425a022ef5fd42c6fb5f633a02728 # v2.9.1
         if: steps.should.outputs.should_run == 'true'
         with:
           header: serverless-binary-size