cmake: updated to 3.21.2

CMake 3.21.2
* AUTOUIC: Add test for cyclic dependency between UI headers and timestamp
* CPackRPM: avoid a spurious `;` in the `%pre` and other sections with scripts
* FindMPI: do not detect `-framework` as a compile flag
* GNUInstallDirs: avoid unwanted variable dereference
* VS: Fix assertion failure on INCLUDE_DIRECTORIES in INTERFACE libraries
* VS: Fix /reference and /headerUnit flag table entries for v142 and v143
* CheckLanguage: Avoid CMP0126 warning
* AUTOUIC: Revert "Fix generating of dependency rules for UI header files"
* VS: Add special case for '-T version=14.29.16.11' under VS 16.11
* VS: Update Visual Studio 17 2022 generator for Preview 3.1
* Help: Add missing versionadded annotation for CPACK_DMG_FILESYSTEM
* Help: Fix unlinked mention of CMAKE_TOOLCHAIN_FILE
* BinUtils: Avoid searching CMAKE_PREFIX_PATH
* macOS: Restore support for Mac OS X 10.4 (Tiger)
* Platform/Haiku: Remove the include-once behavior
* CMakePresets: Check presets with their own file version
* CTest: Reset multi-options to persistent multi-options
* add_custom_command(DEPFILE) independent from CMAKE_DEPENDS_USE_COMPILER
* Help: get_filename_component: fix version info for cmake_path
* FindPkgConfig: Restore legacy behavior when CMP0126 is set to NEW
* Help: cmake_path: add missing parameter
* NVHPC: Support 21.07 change to '-MD' where it behaves like gcc
* NVHPC-CXX: Add support for C++20
* NVHPC-C: Add support for C17
* FindBinUtils: Fall back to ld for Clang without lld
* Android: Fix NDK toolchain dir on arm64 mac
* CUDA/Clang: Fix separable compilation in non-root directories with Makefiles
* CUDA/Clang: Simplify --register-link-binaries logic
* Ninja: Revert accidental LINK_WHAT_YOU_USE impl for static libraries

(adam)