Use latest version of checkout, add permission for checkout, and use RESPONSE variable

Author: sgoedecke

automation/summary.yml

@@ -10,10 +10,11 @@ jobs:
     permissions:
       issues: write
       models: read
+      contents: read
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Run AI inference
         id: inference
@@ -29,4 +30,5 @@ jobs:
           gh issue comment $ISSUE_NUMBER --body '${{ steps.inference.outputs.response }}'
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          RESPONSE: ${{ steps.inference.outputs.response }}