chore(deps): update actions/github-script action to v9 (#145)

Co-authored-by: Twisha Bansal <58483338+twishabansal@users.noreply.github.com>

Author: renovate-bot

.github/workflows/mirror-changelog.yml

@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Add Toolbox Release Notes to PR Body
-        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8
+        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9
         env:
           REQUIRED_KEYWORDS: 'postgres'
         with: