lvm2: Update to version 2.03.31

lvm2: Update to version 2.03.31

- Update from version 2.03.30 to 2.03.31
- Update of rootfile not required
- Changelog
    2.03.31
	  Reduce 'mandoc -T lint' reported issues for man pages.
	  Restore support for LVM_SUPPRESS_FD_WARNINGS (2.03.24).
	  Fix uncache and split cache restoring original state of volume.
	  Extend use of lockopt skip to more scenarios.
	  Enhance error path resolving in polling code.
	  Disallow shared activation of LV with CoW snapshot.
	  Fix lvmlockd use in lvremove of CoW snapshot, VDO pool, and uncache.
	  Improve mirror split with opened temporary volumes.
	  Improve pvmove finish with opened temporary volumes.
	  Fix backup limit for devices file, handle over 10,000 files.
	  Ignore reported optimal_io_size not divisible by 4096.
	  Fix busy-loop in config reading when read returned 0.
	  Fix DM cache preserving logic (2.03.28).
	  Improve use of lvmlockd for usecases involving thin volumes and pools.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>