`StaticConstant` classification for `readability-indetifier-naming` does not appear to get resolved

[KazNX]

Hi,

I've made a pretty exhaustive experiment for working out how Clang-tidy resolves its naming classfications and found that StaticConstant does not appear to be effected. From reading the code I identified where I thought it should be resolved, but empirically could not find any identifiers which uses this classification.

See https://github.com/KazNX/clang-tidy-naming/blob/main/ClangTidyNaming.cpp for details, search for StaticContant.

[llvmbot]

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