build(deps): bump actions/github-script from 7 to 8 (#2269)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: sanity

.github/workflows/benchmarks.yml

@@ -144,7 +144,7 @@ jobs:
  # Post comment on PR with regression summary
  - name: Comment on PR
  if: github.event_name == 'pull_request' && steps.bench_transport.outputs.regression_detected == 'true'
- uses: actions/github-script@v7
+ uses: actions/github-script@v8
  with:
  script: |
  const fs = require('fs');