pre-commit: introduce make lint

Also make the linters part of the github actions.

.github/workflows/pytest.yaml

@@ -9,6 +9,18 @@ on:  # yamllint disable-line rule:truthy
     types: ["checks_requested"]
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install yamllint
+        run: sudo apt-get install -y yamllint aspell
+      - name: "Clone Repository"
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+      - name: Run linters
+        run: make lint
+
   build:
     runs-on: ubuntu-latest
     uses: ./.github/workflows/testdeps.yaml