Fix installation procedure.

Author: BenjaminRodenberg

.github/workflows/precice-2.yml

@@ -35,7 +35,9 @@ jobs:
         uses: actions/checkout@v4
       - name: Install Dependencies
         run: |
-          sudo apt install -y python3-dev python3.12-venv
+          apt-get -qq update
+          apt-get -qq install python3-dev python3.12-venv
+          rm -rf /var/lib/apt/lists/*
       - name: Create venv
         run: |
           ./make-venv.sh