upgrade alpine base image from v3.19.1 to v3.20.0 including upgrade of borgbackup, openssh-server & tini package

https://web.archive.org/web/20240525070024/https://github.com/borgbackup/borg/blob/1.2.8/docs/changes.rst#version-128-2024-03-29
https://web.archive.org/web/20240525070413/https://git.alpinelinux.org/aports/commit/community/borgbackup?h=3.20-stable&id=99337da9b996643adeecd4178b83323246c73a29
https://web.archive.org/web/20240525070811/https://git.alpinelinux.org/aports/commit/community/borgbackup?h=3.20-stable&id=71a773b0618ce60d276a3df74ed69e6bd6d13237

https://web.archive.org/web/20240525070436/https://www.openssh.com/releasenotes.html
https://web.archive.org/web/20240525070639/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.20-stable&id=305d0655aa869ea5feec9dc27ed9ebf0c207eb87
https://web.archive.org/web/20240525070652/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.20-stable&id=b544dbe9982060824869f64028919ccf17054542
https://web.archive.org/web/20240525070726/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.20-stable&id=36d9b553d84acfce2c9bd4f1cd9ead9627006ec7
https://web.archive.org/web/20240525070816/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.20-stable&id=924e8ad166b2d78786bfb4b789726e7bca84f197
https://web.archive.org/web/20240525070831/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.20-stable&id=b34d5a41ca0caf54a746c676d3ea8103039e1687
https://web.archive.org/web/20240525070902/https://git.alpinelinux.org/aports/commit/main/openssh?h=3.20-stable&id=e4bc62018e1fcd89bfa14970d0cd501502e816a5

https://web.archive.org/web/20240525070915/https://git.alpinelinux.org/aports/commit/community/tini?h=3.20-stable&id=a84e604860396f8194e0b0154efd2f94f47517ed

Dockerfile

@@ -1,13 +1,13 @@
-FROM docker.io/alpine:3.19.1
+FROM docker.io/alpine:3.20.0
 
 # https://www.borgbackup.org/releases/
-# https://git.alpinelinux.org/aports/log/community/borgbackup?h=3.19-stable
-ARG BORGBACKUP_PACKAGE_VERSION=1.2.7-r0
+# https://git.alpinelinux.org/aports/log/community/borgbackup?h=3.20-stable
+ARG BORGBACKUP_PACKAGE_VERSION=1.2.8-r1
 # https://www.openssh.com/releasenotes.html
-# https://git.alpinelinux.org/aports/log/main/openssh?h=3.19-stable
-ARG OPENSSH_SERVER_PACKAGE_VERSION=9.6_p1-r0
-# https://git.alpinelinux.org/aports/log/community/tini?h=3.19-stable
-ARG TINI_PACKAGE_VERSION=0.19.0-r2
+# https://git.alpinelinux.org/aports/log/main/openssh?h=3.20-stable
+ARG OPENSSH_SERVER_PACKAGE_VERSION=9.7_p1-r3
+# https://git.alpinelinux.org/aports/log/community/tini?h=3.20-stable
+ARG TINI_PACKAGE_VERSION=0.19.0-r3
 ARG USER=borg
 ENV SSHD_HOST_KEYS_DIR=/etc/ssh/host_keys
 ENV REPO_PATH=/repository