ci: Re-enable buildcache on windows
As per documentation[1] buildcache
needs the Zi
/ZI
flags to be removed.
Before we could get low hit ratio or even unrelated compilation errors due to loading wrong
cached results.
The approach followed here is similar to vtk/vtk and paraview/paraview .
[1] https://github.com/mbitsnbites/buildcache/blob/master/doc/usage.md#using-with-visual-studio--msbuild