add apt-get update

Author: dave3d

.github/workflows/main.yml

@@ -49,6 +49,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install -e .[vtk,dask,pyside] -r test/requirements.txt
+        sudo apt-get update
         sudo apt install libegl1
 
     - name: Test with pytest
@@ -81,4 +82,4 @@ jobs:
       uses: actions/upload-artifact@v3
       with:
         name: python-packages
-        path: dist
+        path: dist