Merge topic 'presets-file-arg'

95edd93948 presets: Support loading from arbitrary file
81c22a67b6 presets: Factor out command line arguments
e75b62fd73 presets: Convert allowNoFiles to enum class
8476469b72 Help: Add cmake-workflow-option role
5e76987626 Help/presets: Use preset role for configurePreset references
2d8e8213d4 Help/presets: Improve include field formatting
43f5fc8ac8 Help, Tests: Consolidate presets terminology and references
c49ebb67da Help: Use POSIX slashes for 'generated by' in presets files

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !11886