upgrade rsync packages from v3.2.3-r2 to v3.2.3-r4 (see links below)
https://git.alpinelinux.org/aports/commit/main/rsync?id=277716a1acbe18a0f2411b2e9b93b8d160204bbf
https://git.alpinelinux.org/aports/commit/main/rsync?id=e34ba444626c002a8d4ef71ab1c33ced59b45bf6