[polly] [clang] [clang-format] Add AllowShortType and ExceptShortType options for AlwaysBreakAfterReturnType. (PR #78011)

[via cfe-commits]

rmarker wrote:

Updated the PR with a new `ExceptShortType` option. (The name can be easily updated before merging if needed).

https://github.com/llvm/llvm-project/pull/78011