fix: github action failed

.github/workflows/python-app.yml

@@ -35,7 +35,7 @@ jobs:
         pip install -r requirements.txt
         pip install pytest
         # git apply --unsafe-paths --verbose .\drafthorse_pdf.patch
-        pip install --update git+https://github.com/lka/fpdf2.git@master
+        pip install -U git+https://github.com/lka/fpdf2.git@master
     - name: Lint with flake8
       run: |
         .venv/Scripts/deactivate