fix: update CI workflow for compatibility and debugging

Author: zxkane

.github/workflows/ci.yml

@@ -23,13 +23,19 @@ jobs:
         with:
           python-version: '3.11'
 
-      - name: Install uv
-        run: |
-          curl -Ls https://astral.sh/uv/install.sh | sh
-          echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+      - name: Upgrade pip
+        run: python -m pip install --upgrade pip
+
+      - name: Install project dependencies
+        run: pip install .
 
-      - name: Install dependencies
-        run: uv pip install --system --no-cache-dir
+      - name: Install pytest
+        run: pip install pytest
+
+      - name: Show Python version and installed packages
+        run: |
+          python --version
+          pip list
 
       - name: Run unit tests
         run: pytest tests