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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -103,7 +103,7 @@ jobs:
           echo "Coverage: $PERCENTAGE%"
       - name: Comment coverage on PR
         if: github.event_name == 'pull_request'
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const coverage = '${{ steps.coverage.outputs.percentage }}';