Fix actions (#57)

Author: BlueManCZ

.github/workflows/actions.yaml

@@ -16,6 +16,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
+          sudo apt-get update
           sudo apt-get install libcairo2-dev libgirepository1.0-dev
           python -m pip install --upgrade pip
           pip install pipenv