ci: use uv to install and run mypy

Author: indygreg

.github/workflows/typing.yml

@@ -15,20 +15,20 @@ jobs:
           - '3.11'
           - '3.12'
           - '3.13'
-    runs-on: 'ubuntu-22.04'
+    runs-on: 'ubuntu-24.04'
     steps:
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.py }}
-          allow-prereleases: ${{ matrix.py == '3.13' && true || false }}
-
       - uses: actions/checkout@v4
+      - name: Install uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          version: "0.4.29"
 
       - name: Install Dependencies
         run: |
-          python -m pip install --require-hashes -r ci/requirements.txt
+          uv venv --python ${{ matrix.py }} venv
+          source venv/bin/activate
+          uv pip install -r ci/requirements.txt
 
       - name: Run mypy
         run: |
-          mypy tests/*.py zstandard/*.py
+          venv/bin/mypy tests/*.py zstandard/*.py