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

Dockerfile

@@ -2,7 +2,7 @@ FROM docker.io/alpine:3.18.5
 
 # https://www.borgbackup.org/releases/
 # https://git.alpinelinux.org/aports/log/community/borgbackup?h=3.18-stable
-ARG BORGBACKUP_PACKAGE_VERSION=1.2.6-r0
+ARG BORGBACKUP_PACKAGE_VERSION=1.2.7-r0
 # https://www.openssh.com/releasenotes.html
 # https://git.alpinelinux.org/aports/log/main/openssh?h=3.18-stable
 ARG OPENSSH_SERVER_PACKAGE_VERSION=9.3_p2-r0