chore(deps): update actions/github-script action to v8

Author: renovate[bot]

.github/workflows/benchmark.yml

@@ -137,7 +137,7 @@ jobs:
 
       - name: Comment on PR
         if: github.event_name == 'pull_request' && steps.compare.outputs.has_comparison == 'true'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');