Bump actions/github-script from 7 to 8

Bumps [actions/github-script](https://github.com/actions/github-script) from 7 to 8.
- [Release notes](https://github.com/actions/github-script/releases)
- [Commits](actions/github-script@v7...v8)

---
updated-dependencies:
- dependency-name: actions/github-script
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/claude-review.yml

@@ -64,7 +64,7 @@ jobs:
         continue-on-error: true
 
       - name: Post review as PR comment
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

.github/workflows/track_pr_benchmarks.yml

@@ -37,7 +37,7 @@ jobs:
           docker push registry.bencher.dev/bencher:${{ github.event.workflow_run.head_sha }}
       - name: Read PR Event Data
         if: steps.download_bench.outcome == 'success'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require('fs');