Merge topic 'nmc-config-list'

b1a804d616 Ninja Multi-Config: Fix crash if config list is changed in subdirectory
9f8afacb3e cmGlobalNinjaGenerator: Reuse local generator caching of config list
48b911e3e5 cmGlobalNinjaGenerator: Factor out helper for global config list lookup
e2c6a54b07 cmGlobalNinjaGenerator: De-duplicate CMAKE_CONFIGURATION_TYPES lookup

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !9618