Update actions/github-script action to v7

Author: renovate[bot]

.github/workflows/cleanup.yml

@@ -23,7 +23,7 @@ jobs:
           VERCEL_ALIAS=${GITHUB_EVENT_REF_SLUG_URL}-${BASE_URL_PREVIEW}
           vercel alias --token $VERCEL_TOKEN rm $VERCEL_ALIAS -y
       - name: Delete GitHub environment
-        uses: actions/github-script@v6
+        uses: actions/github-script@v7
         with:
           github-token: ${{ secrets.GH_PERSONAL_TOKEN }}
           script: |