ci: Fix test workflow

Add checkout in convcommitlint job

Author: coolapso

.github/workflows/test.yaml

@@ -48,6 +48,7 @@ jobs:
   convcommitlint:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - uses: coolapso/convcommitlint@main
         continue-on-error: true