[clang] [Clang][Sema] Don't treat error-recovery dependence as genuine template dependence in ActOnTag (PR #221440)

[Haojian Wu via cfe-commits]

https://github.com/hokein approved this pull request.

Thanks, the code looks good to me, please update the release note accordingly.

https://github.com/llvm/llvm-project/pull/221440