fix: Change the name for checking issue template content (no-changelog) (#7101)

Github issue / Community forum post (link here to close automatically):
https://github.com/n8n-io/n8n/issues/7100

.github/workflows/check-issue-template.yml

@@ -10,6 +10,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Run Check Issue Template
-        uses: n8n-io/GH-actions-playground@v1
+        uses: n8n-io/validate-issue-template-content@v1
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}