Use pipx

.github/workflows/code-style.yml

@@ -10,19 +10,23 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout sources'
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+
       - name: 'Lint code with Ruff'
         run: |
-          pip install ruff
+          pipx install ruff
           ruff check --fix .
+
       - name: 'Type cheking with MyPy'
         run: |
-          pip install mypy
+          pipx install mypy
           mypy --ignore-missing-imports codelimit/
+
       - name: 'Format code with black'
         run: |
-          pip install black
+          pipx install black
           black .
+
       - uses: stefanzweifel/git-auto-commit-action@v4
         with:
           commit_message: 'Code style fixes'