upgrade rsync & rrsync package to v3.2.4-r1
adapted rrsync package for:
> Transformed rrsync into a python script with improvements: [...]
https://web.archive.org/web/20220724094056/https://download.samba.org/pub/rsync/NEWS#ENHANCEMENTS-3.2.4
https://git.alpinelinux.org/aports/commit/main/rsync?h=3.16-stable&id=b7ea48de9300ebf903124360adc3297374fe82ab