Update actions/github-script action to v9

Author: renovate[bot]

.github/workflows/pr-checklist.yml

@@ -37,7 +37,7 @@ jobs:
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Get pull request details
       id: pr
-      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+      uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
       with:
         script: |
           const pr_desc = await github.rest.pulls.get({