ci: pip => uv

IDK how that ever got in there

Author: edmundmiller

.github/workflows/ci.yml

@@ -21,16 +21,17 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
-          cache: "pip"
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[test]"
+          uv sync --group test
 
       - name: Run tests
         run: |
-          pytest --cov=altair_upset --cov-report=xml
+          uv run pytest --cov=altair_upset --cov-report=xml
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v5
@@ -47,16 +48,17 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-          cache: "pip"
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[dev]"
+          uv sync --group dev
 
       - name: Run linters
         run: |
-          ruff check .
+          uv run ruff check .
 
   docs:
     runs-on: ubuntu-latest
@@ -70,12 +72,13 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-          cache: "pip"
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
 
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install -e ".[docs,examples]"
+          uv sync --group docs
 
       - name: Build documentation
         run: |