## CMake server API support is removed

Support for the
[deprecated (since CMake 3.15)](https://cmake.org/cmake/help/latest/release/3.15.html#deprecated-and-removed-features)
and now
[removed (since CMake 3.20)](https://cmake.org/cmake/help/latest/release/3.20.html#deprecated-and-removed-features)
CMake server API is dropped from Meson.

The new CMake minimum version for CMake subprojects is now CMake 3.14.