fixup: Add checkouts

Author: swo

.github/workflows/pytest.yaml

@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - uses: actions/checkout@v4
+
       - name: set up poetry
         uses: ./.github/actions/setup-poetry
 

.github/workflows/test_coverage_badge.yaml

@@ -10,6 +10,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - uses: actions/checkout@v4
+
       - name: set up poetry
         uses: ./.github/actions/setup-poetry