Merge topic 'fileapi-toolchains'

6418dabb87 Tests: Add test for toolchains-v1 File API object
1c5bd1bed5 Tests: Add toolchains kind to capabilities test
f72bb2ee0d Help: Add documentation for "toolchains" object kind
bb069c0857 cmFileAPI: Add "toolchains" object kind.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5678