[clang-tools-extra] [clang-tidy] Do not warn on const variables in misc-use-internal-linkage (PR #97969)

[Carlos Galvez via cfe-commits]

carlosgalvezp wrote:

Thanks! Btw is the check intended to be used in C code as well? (I do not see C tests for it). If not, then i can move the logic to the matcher to keep it a bit cleaner, and restrict the check to C++ code. 

The warning text mentions anonymous namespaces which would not be applicable in C.

https://github.com/llvm/llvm-project/pull/97969