Update to use uv

Author: bmoscon

.github/dependabot.yml

@@ -5,7 +5,7 @@
 
 version: 2
 updates:
-  - package-ecosystem: "pip"
+  - package-ecosystem: "uv"
     directory: "/" # Location of package manifests
     schedule:
       interval: "daily"

.github/workflows/tests.yml

@@ -11,16 +11,17 @@ jobs:
         python-version: ['3.10', '3.11', '3.12']
 
     steps:
+      - name: Install uv
+        uses: astral-sh/setup-uv@v7
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
-          python -m pip install --upgrade pip
-          pip install flake8 pytest cython
-          python -m pip install -e .
+          uv install pytest cython
+          uv pip install -e .
       - name: Test with pytest
         run: |
           pytest tests/