CTest: only look for update executables when needed
Reduce pollution of the CMakeCache when include(CTest)
by only searching for version control executables when CTest decides a particular executable might be needed.
Follow-up to #17578 (closed)
Reduce pollution of the CMakeCache when include(CTest)
by only searching for version control executables when CTest decides a particular executable might be needed.
Follow-up to #17578 (closed)