CI updates

Update GitHub CI to use PDM
Remove GitLab CI configuration since I haven't been keeping it updated

.github/workflows/ci.yml

@@ -0,0 +1,89 @@
+name: ci
+
+on: [push]
+
+env:
+  PYTHON_VERSION: '3.10'
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: PYTHON_VERSION
+      - name: Run pre-commit
+        uses: pre-commit/[email protected]
+
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: PYTHON_VERSION
+      - name: Install dependencies
+        run: |
+          pdm sync -G mypy
+      - name: Run mypy
+        run: |
+          pdm run mypy meshinfo tests
+
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version:
+          - "3.9"
+          - "3.10"
+          - "3.11"
+
+    services:
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_PASSWORD: meshmap
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          sudo apt-get install -y librrd-dev
+          pdm sync -G testing
+      - name: Run pytest
+        run: |
+          pdm run pytest --cov=meshinfo
+        env:
+          MESHMAP_COLLECTOR_DATA_DIR: "."
+          POSTGRES_HOST: localhost
+          POSTGRES_PASSWORD: meshmap
+
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: PYTHON_VERSION
+      - name: Install dependencies
+        run: |
+          sudo apt-get install -y librrd-dev
+          pdm sync -G docs
+      - name: Run Sphinx
+        run: pdm run sphinx-build -W --keep-going -b html docs docs/_build/html