upgrade openssh server package v8.6_p1-r{2->3} (CVE-2021-41617)

https://www.cve.org/CVERecord?id=CVE-2021-41617

https://git.alpinelinux.org/aports/commit/main/openssh?id=d10d87c0d9c31c3fe062e31ae65e3c05a8b6a060

Dockerfile

@@ -1,6 +1,6 @@
 FROM docker.io/alpine:3.14.2
 
-ARG OPENSSH_SERVER_PACKAGE_VERSION=8.6_p1-r2
+ARG OPENSSH_SERVER_PACKAGE_VERSION=8.6_p1-r3
 ENV SSHD_HOST_KEYS_DIR=/etc/ssh/host_keys
 ENV CLIENT_USER=nonroot
 ENV CLIENT_HOME=/home/$CLIENT_USER

openssh-package-log.url

@@ -0,0 +1 @@
+https://git.alpinelinux.org/aports/log/main/openssh

openssh-release-notes.url

@@ -0,0 +1 @@
+https://www.openssh.com/releasenotes.html