upgrade alpine base image from v3.17.3 to v3.18.0 including upgrade of rsync & rrsync package from v3.2.7-r0 to v3.2.7-r3 (enables xxhash) & openssh-server package from v9.1_p1-r2 to v9.3_p1-r3 (see below)
https://web.archive.org/web/20230512134824/https://git.alpinelinux.org/aports/commit/main/rsync?h=3.18-stable&id=f3395e4d088d4256cca7c64f5f790fae23248b8a
https://web.archive.org/web/20230512134901/https://git.alpinelinux.org/aports/commit/main/rsync?h=3.18-stable&id=84a227baf001b6e0208e3352b294e4d7a40e93de
https://web.archive.org/web/20230512134916/https://git.alpinelinux.org/aports/commit/main/rsync?h=3.18-stable&id=377eea46348d646f6f1f6250b7f175074555068d
https://web.archive.org/web/20230512131426/https://www.openssh.com/txt/release-9.2
https://web.archive.org/web/20230512131503/https://www.openssh.com/txt/release-9.3
https://web.archive.org/web/20230512133001/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=1c038a04453cd7be11965205d46d5c3e3e4475a1
https://web.archive.org/web/20230512133038/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=8bc65a7e38eb29e22cb07f2f896b6ea290b18834
https://web.archive.org/web/20230512133057/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=4b0ca9519b956d51aaafc91f18d2a0ae6dcfac8d
https://web.archive.org/web/20230512133123/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=2c468c7a65660cfe938e560a7764dc88aa3d034c
https://web.archive.org/web/20230512133214/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=4781a16bbba8ecc60bca5f0e36da2ebe1335d891
https://web.archive.org/web/20230512133239/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=84a227baf001b6e0208e3352b294e4d7a40e93de
https://web.archive.org/web/20230512133311/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.18-stable&id=e1df31b60ad5846e6d24385ff23c3d65409a91ed
https://github.com/fphammerle/docker-borgbackup-sshd/commit/c8082e11d3f7a1dfb339b77795f43d9709acc337