ci: replace pip with uv for faster dependency installation

.github/workflows/test_pip.yml

@@ -30,23 +30,19 @@ jobs:
         uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v8.3.1
+        with:
+          enable-cache: true
+          cache-dependency-glob: pyproject.toml
+
       - name: Install system dependencies (Ubuntu)
         if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install -y libegl1
 
-
-      - name: Cache pip
-        uses: actions/cache@v6
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('pyproject.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install .[dev]
+        run: uv pip install --system .[dev]
 
       - name: Run tests
         env: