chore: Update GitHub Actions workflow to use uv for dependency installation and linting

Author: n0nSmoker

.github/workflows/python-package.yml

@@ -31,13 +31,12 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install poetry flake8
-        poetry install --no-root --with dev
+        python -m pip install uv
+        uv sync --all-groups
 
-    - name: Lint with flake8
+    - name: Lint with ruff
       run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        uv run ruff check .
 
     - name: Set up test database
       uses: harmon758/postgresql-action@v1
@@ -49,4 +48,4 @@ jobs:
 
     - name: Run tests
       run: |
-        poetry run pytest --pylama
+        uv run pytest