multiphenicsx now depends on released version of viskex: simplify its installation in open_in_cloud.yml

Author: francesco-ballarin

.github/workflows/open_in_cloud.yml

@@ -39,7 +39,7 @@ jobs:
         gmsh@current
         fenicsx==development-real@current$dolfinx
       pip_packages: |
-        viskex@https://github.com/viskex/viskex.git@current%multiphenicsx
+        viskex%multiphenicsx
         multiphenicsx@https://github.com/multiphenics/multiphenicsx.git@current£--check-build-dependencies --no-build-isolation
       test_script: |
         apt install -y -qq xvfb
@@ -69,8 +69,8 @@ jobs:
         gmsh@current
         fenicsx==development-real@current$dolfinx
       pip_packages: |
-        viskex@https://github.com/viskex/viskex.git@current%multiphenicsx
-        multiphenicsx@https://github.com/multiphenics/multiphenicsx.git@current£--check-build-dependencies --no-build-isolation --config-settings=cmake.define.CMAKE_PREFIX_PATH=${INSTALL_PREFIX}€apt update -y -q && apt install -y -qq software-properties-common wget && wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | gpg --dearmor - | tee /etc/apt/trusted.gpg.d/kitware.gpg >/dev/null && apt-add-repository -y "deb https://apt.kitware.com/ubuntu/ focal main" && apt install --upgrade -y cmake
+        viskex%multiphenicsx
+        multiphenicsx@https://github.com/multiphenics/multiphenicsx.git@current£--check-build-dependencies --no-build-isolation
       test_script: |
         apt install -y -qq xvfb
         export DISPLAY=":99"