[clang-tools-extra] [clang-query] Load queries and matchers from file during REPL cycle (PR #90603)

[Aaron Ballman via cfe-commits]

https://github.com/AaronBallman commented:

Thank you for working on this, I think it's a good new feature! You should also add a release note for it to `clang-tools-extra/docs/ReleaseNotes.rst` so users know about the improvement.

https://github.com/llvm/llvm-project/pull/90603