chore(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/cleanup.yml

@@ -24,7 +24,7 @@ jobs:
 
       - name: 🗑️ Clean all preview pages
         id: cleanup
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           result-encoding: json
           script: |

.github/workflows/default.yml

@@ -21,7 +21,7 @@ jobs:
           ASSET_PASSWORD: ${{ secrets.ASSET_PASSWORD }}
 
       - name: ⏬ Get branch name
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         id: get-branch-name
         with:
           result-encoding: string