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

Author: renovate[bot]

.github/workflows/deploy.yml

@@ -57,7 +57,7 @@ jobs:
         run: terraform plan -no-color
         continue-on-error: true
 
-      - uses: actions/github-script@v7
+      - uses: actions/github-script@v8
         if: github.event_name == 'pull_request'
         env:
           PLAN: ${{ steps.plan.outputs.stdout }}