github actions (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/pull-request.yml

@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: verify dependabot commits
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const commits = await github.rest.pulls.listCommits({
@@ -114,7 +114,7 @@ jobs:
             }
 
       - name: Approve pull request
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.pulls.createReview({
@@ -125,7 +125,7 @@ jobs:
             })
 
       - name: Merge pull request
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             github.rest.pulls.merge({