[clang] [llvm] [clang-format] Add cmake target clang-format-style-options for updating ClangFormatStyleOptions.rst (PR #111513)

[Owen Pan via cfe-commits]

owenca wrote:

> If CLANG_INCLUDE_DOCS=OFF then this should be skipped, otherwise the build will fail if llvm/clang/docs doesn't exist.

This was fixed in f0b09dfd4c84fe8ffbc726da39ee5255e1a22a2f, which also addressed an issue that ClangFormatStyleOptions.rst would be deleted by `ninja clean`.

https://github.com/llvm/llvm-project/pull/111513