Experimental catch2 install for github Linux builders

Author: jonoomph

.github/workflows/ci.yml

@@ -90,7 +90,7 @@ jobs:
           git clone https://github.com/catchorg/Catch2.git
           pushd Catch2
           cmake -Bbuild -H. -DBUILD_TESTING=OFF
-          cmake --build build/ --target install
+          sudo cmake --build build/ --target install
           popd
 
           wget https://launchpad.net/ubuntu/+archive/primary/+files/catch2_2.13.8-1_amd64.deb