Log Message:
py-mercurial: update to 6.5.1.

= Mercurial 6.5.1 =

 * A bunch of improvements to Python 3.12 compatibility
 * repoview: fix the filter created by `extrafilter`
 * Improve portability of the test suite
 * fncache: fix a bug that corrupts the fncache after transaction rollback
 * revlog: fix the naming scheme use by split temporary file
 * perf: fix perf::tags