add checkout during TODO checking

Author: robstoll

Diff for: .github/workflows/quality-assurance.yml

@@ -25,6 +25,7 @@ jobs:
     name: check for TODOs
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: check for TODOs
         uses: tegonal/[email protected]
         with: