Chekout before installing depandencies

.github/workflows/ruff.yml

@@ -4,9 +4,9 @@ jobs:
   ruff:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v3
       - name: Install Python requirements
         run: pip install -r requirements/lint_format.txt
-      - uses: actions/checkout@v3
       - uses: chartboost/ruff-action@v1
         with:
           src: firstaid