Update python-app.yml

.github/workflows/python-app.yml

@@ -25,6 +25,8 @@ jobs:
         python-version: "3.10"
     - name: Install dependencies
       run: |
+        sudo add-apt-repository ppa:unit193/encryption -y
+        sudo apt update
         sudo apt install veracrypt -y
         python -m pip install --upgrade pip
         pip install flake8 pytest