[clang] [Clang][ASTMatcher] Extend `hasDependentName` to match DependentNameType name (PR #121975)

[Nathan Ridge via cfe-commits]

https://github.com/HighCommander4 commented:

Thanks! Nice to see we have a `POLYMORPHIC_MATCHER` utility that makes this straightforward to implement.

https://github.com/llvm/llvm-project/pull/121975