change github ci to use uv

.github/workflows/pyci.yml

@@ -13,20 +13,20 @@ jobs:
         python-version: [3.8, 3.9]
     steps:
       - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
-        # make depends on poetry
+          python-version: '3.12'
+        # make depends on uv
       - name: Install dependencies
         run: |
-          pip install poetry
+          pip install uv
           make install
       - name: Run linter and pytest
         run: |
           make check
       - name: Test & publish code coverage
-        uses: paambaati/codeclimate-action@v5.0.0
+        uses: paambaati/codeclimate-action@v9.0.0
         if: github.ref_name == 'main'
         env:
           CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}