Update actions/github-script action to v8 (#1641)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

action.yml

@@ -12,7 +12,7 @@ runs:
   using: "composite"
   steps:
     - name: Remove pull requests and issues from project
-      uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
       env:
         PROJECT_URL: ${{ inputs.project-url }}
       with: