Merge topic 'clang-tidy-module-cmstrlen-check'

b4e8ddbc2f clang-tidy: enable cmStrLen() check and fix violations
43481a77f9 clang-tidy module: add test for cmStrLen() check
43a88b56af clang-tidy module: add check for cmStrLen()

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !7809