Use action from aws-kotlin-repo-tools

Author: lauzadis

.github/workflows/changelog-verification.yml

@@ -20,24 +20,5 @@ jobs:
           role-to-assume: ${{ secrets.CI_AWS_ROLE_ARN }}
           aws-region: us-west-2
 
-      - name: Setup kat
-        uses: awslabs/aws-kotlin-repo-tools/.github/actions/setup-kat@main
-
-      - uses: actions/checkout@v2
-      - name: Check for new changelog entry
-        if: ${{ !contains(github.event.pull_request.labels.*.name, 'no-changelog') }}
-        run: |
-          git fetch origin ${{ github.base_ref }} --depth 1
-          if ! git diff remotes/origin/${{ github.base_ref }} --name-only | grep -P "\.changes/[0-9a-f-]+\.json"; then
-            echo "::error ::No new/updated changelog entry found in /.changes directory. Please either:"
-            echo "::error ::* Add a changelog entry (see CONTRIBUTING.md for instructions) –or–"
-            echo "::error ::* Add the 'no-changelog' label to this PR (in rare cases not warranting a changelog entry)"
-            exit 1
-          fi
-
-      - name: Verify all changelogs
-        run: |
-          if ! kat changelog ls; then
-            echo "::error ::Changelog verification failed. Please check the format of your changelog entry."
-            exit 1
-          fi
+      - name: Verify changelog
+        uses: awslabs/aws-kotlin-repo-tools/.github/actions/changelog-verification@misc-validate-changelogs