Debug crashing VCPKG-based CI builds

[sarlinpe]

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[sarlinpe]

@ahojnnes FYI the sample project and all VCPKG-based CI builds are currently broken with CMake 3.29.1 (see microsoft/vcpkg#37968 and there), which is installed on all GitHub runners since yesterday. We should wait that microsoft/vcpkg#38017 gets merged or that the GitHub runners get updated to CMake 3.29.2, which was just released and patches this issue (see actions/runner-images#9680).

[sarlinpe]

@ahojnnes This quick fix uses the GitHub action lukka/get-cmake to overwrite the broken CMake that is installed by default on the runners. It also takes care of installing ninja (with caching, so fast). Updating VCPKG is more work than expected so I leave it to a later PR (this commit is a good starter).