Update lvm2 to upstream version 2.03.29 or later

This brings a number of fixes and small improvements:

Version 2.03.29
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• Fix renaming of raid sub LVs when converting a volume to raid (2.03.28). (Fixed in 9.6)
• Fix segfault/VG write error for raid LV `lvextend -i|stripes -I|–stripesize`. (Fixed in 9.6)
• Add configure --enable/disable-sd-notify to control lvmlockd build with sd-notify. (Packaging only)
• Allow test mode when lvmlockd is built without dlm support. (Testing only)
• Add a note about RAID + integrity synchronization to lvmraid(7) man page.
• Add a function for running lvconvert --repair on RAID LVs to lvmdbusd.
• Improve option section of man pages for listing commands ({pv,lv,vg} {s,display}).