build(deps): 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] <[email protected]>

Author: dependabot[bot]

.github/workflows/scheduled-integration-tests.yml

@@ -74,7 +74,7 @@ jobs:
 
     - name: Create issue if tests fail
       if: failure() && steps.test-run.outcome == 'failure'
-      uses: actions/github-script@v7
+      uses: actions/github-script@v8
       with:
         script: |
           const date = new Date().toISOString().split('T')[0];
@@ -126,7 +126,7 @@ jobs:
 
     - name: Notify on success after previous failure
       if: success() && steps.test-run.outcome == 'success'
-      uses: actions/github-script@v7
+      uses: actions/github-script@v8
       with:
         script: |
           // Close any open integration failure issues