Update GHA to use new API

.github/workflows/repolinter.yml

@@ -20,7 +20,7 @@ jobs:
         uses: actions/github-script@v7
         with:
           script: |
-            const data = await github.repos.get(context.repo)
+            const data = await github.rest.repos.get(context.repo)
             return data.data && data.data.default_branch === context.ref.split('/').slice(-1)[0]
       - name: Checkout Self
         if: ${{ steps.default-branch.outputs.result == 'true' }}