ci: add lint-test-coverage workflow

.github/workflows/lint-test-coverage.yaml

@@ -0,0 +1,77 @@
+name: lint-test-coverage
+
+on: [ push ]
+
+env:
+  MAX_PYTHON_V: 3.12
+  EXTRA_DEPS: dev,dev-fastapi,dev-sanic,dev-sqlalchemy
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.MAX_PYTHON_V }}
+          cache: 'pip'
+      - name: Install deps
+        run: |
+          python -m pip install -U pip
+          python -m pip install -e .[$EXTRA_DEPS]
+      - name: Lint
+        run: ./scripts/lint.sh
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        py-v: [ "3.10", "3.11", "3.12" ]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.py-v }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.py-v }}
+          cache: 'pip'
+      - name: Install deps
+        run: |
+          python -m pip install -U pip
+          python -m pip install -e .[$EXTRA_DEPS]
+      - name: Test
+        run: ./scripts/cov.sh xml:coverage-${{ matrix.py-v }}.xml
+      - name: Upload coverage
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-${{ matrix.py-v }}
+          path: coverage-${{ matrix.py-v }}.xml
+          if-no-files-found: error
+          retention-days: 14
+  coverage:
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.MAX_PYTHON_V }}
+      - name: Download coverage
+        uses: actions/download-artifact@v4
+        with:
+          path: cov
+          pattern: coverage-*
+          merge-multiple: true
+      - name: Merge coverage
+        run: |
+          pip install -U coverage
+          coverage combine --keep ./cov/
+          coverage xml
+          coverage report
+      - name: Upload coverage-total
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-total
+          path: coverage.xml
+          if-no-files-found: error
+          retention-days: 14