[clang-tools-extra] [clang-doc] [feat] add --repository-line-prefix argument (PR #131280)

[Mohamed Emad via cfe-commits]

hulxv wrote:

> The failures on the presubmit bot look unrelated, but you need to update your branch, since it looks like the base revision is broken.

Done


https://github.com/llvm/llvm-project/pull/131280