Remove sudo

Author: BenjaminRodenberg

.github/workflows/build-and-test.yml

@@ -34,7 +34,7 @@ jobs:
         uses: actions/checkout@v2   
       - name: Update list of available packages for apt
         run:  |
-          sudo apt update
+          apt update
       - name: Install scipy (see https://github.com/precice/fenics-adapter/issues/189)
         uses: awalsh128/cache-apt-pkgs-action@latest
         with: