FindMatlab: Add MEX binary file suffix for Apple Silicon native Matlab

scivisionrequested to merge
scivision/cmake:matlab_arm into master

Matlab has an open beta test for Matlab on Apple Silicon. The Matlab MEX binary file suffix is distinct for Apple Silicon. Matlab is soon opening a second open beta for Matlab R2022b. I have had email discussion with Mathworks where they confirm this is the correct file suffix going forward.

With this change, Matlab native Apple Silicon MEX features work.

Backport: release
Topic-rename: FindMatlab-macos-arm64

Edited by Brad King

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