Improve CI action performance by using uv + cache

Author: matagus

.github/workflows/ci.yml

@@ -38,9 +38,24 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        with:
+          enable-cache: true
+          cache-dependency-glob: "pyproject.toml"
+      - name: Cache hatch environments
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.local/share/hatch
+            ~/.cache/hatch
+          key: hatch-${{ runner.os }}-py${{ matrix.python-version }}-django${{ matrix.django-version }}-${{ hashFiles('pyproject.toml') }}
+          restore-keys: |
+            hatch-${{ runner.os }}-py${{ matrix.python-version }}-django${{ matrix.django-version }}-
+            hatch-${{ runner.os }}-py${{ matrix.python-version }}-
+      - name: Install hatch with uv
         run: |
-          python -m pip install --upgrade hatch
+          uv tool install hatch
       - name: Run tests for Python ${{ matrix.python-version }} and Django ${{ matrix.django-version }} on ${{ matrix.os }} with coverage report
         run: |
           hatch run test.py${{ matrix.python-version }}-${{ matrix.django-version }}:cov