Merge topic 'cpp-named-module-support-msvc'

4f95e6b2 ci: test BMI exporting and installation with GCC in CI
c49d5f13 RunCMake/CXXModules: add a "deep-chain" test
297e0f4d cmCxxModuleMapper: support MSVC module map format
b3c2880c cmCxxModuleMapper: track transitive modules for MSVC
a43713d6 CTestCustom: ignore `cm::optional` uninitialized memory false positive
b90de0b4 RunCMake/CXXModules: support MSVC extensions
a84c186a cmScanDepFormat: support the MSVC 17.3 toolchain temporarily
d7f5064f cmScanDepFormat: support P1689R5
...

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !7481