upgrade borgbackup package from v1.2.6-r0 to v1.2.7-r0
https://github.com/borgbackup/borg/releases/tag/1.2.7
https://git.alpinelinux.org/aports/commit/community/borgbackup?h=3.18-stable&id=fdc3b0ea1916e1fa716fad0516cdf78d4b8b5d8f
https://github.com/fphammerle/docker-borgbackup-client/commit/c5535b9027501466df81362fe97a8391d39c2421