Changes

[PATCH] [SofaMatrix] Allow metis >= 5.2.1

Fixes #5697

metis 5.1.0 is known to work, versions newer than 5.1 and older than
5.2.1 are broken. A fix was applied in a commit[1] that was first
included in 5.2.1.

[1]: https://github.com/KarypisLab/METIS/commit/36262adecaa9720a4417a67124428061c367fd3f