[clang-tools-extra] [clang-tidy] Added support for 3-argument std::string ctor in bugprone-string-constructor check (PR #123413)

[Baranov Victor via cfe-commits]

vbvictor wrote:

@HerrCai0907, sorry to bother you, but can you help merge this pr if it is okay to have only one review (from you).
I can keep pinging others but don't understand how many people need to watch it.
Some other pull requests were merged with some reviewers still being in "awaiting" status.

https://github.com/llvm/llvm-project/pull/123413