fixup! pyproject: move lint deps to new group

Author: dlech

.github/workflows/test.yml

@@ -17,8 +17,9 @@ jobs:
       - uses: actions/checkout@v3
       - run: poetry install --only=lint
       - run: poetry run flake8 --show-source
+        id: flake8
       - run: poetry run black --check --diff .
-        if: ${{ success() || failure() }}
+        if: success() || steps.flake8.conclusion == 'failure'
   test:
     runs-on: ubuntu-22.04
     strategy: