ci: add support for building windows on arm wheels by Greenie0701 · Pull Request #643 · msgpack/msgpack-python

Please look again at the diff of the two files being edited in this PR.

You are adding windows-11-arm to excludes, while window-11-arm is not included in the matrix of this file.
You probably forgot to add windows-11-arm to the matrix of this file, or you intended to add excludes to the other file, not this one.