Replace outdated actions with a maintained one

Author: FichteFoll

.github/workflows/lint.yml

@@ -17,16 +17,4 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Setup Python
-        uses: actions/setup-python@v4
-
-      - name: Setup flake8 annotations
-        uses: rbialon/flake8-annotations@v1
-
-      - name: Install flake8
-        run: |
-          python -m pip install -U pip
-          pip install flake8
-
-      - name: Run flake8
-        run: flake8 -v .
+      - uses: TrueBrain/actions-flake8@v2