upgrade mariadb-client package from v10.6.4-r1 to v10.6.4-r2 (`MinSizeRel` build)

https://git.alpinelinux.org/aports/commit/main/mariadb?h=3.15-stable&id=1679b91b9063790fd76e99a597df2c28dfefec0c

Dockerfile

@@ -1,6 +1,6 @@
 FROM docker.io/alpine:3.15.0
 
-ARG MARIADB_CLIENT_PACKAGE_VERSION=10.6.4-r1
+ARG MARIADB_CLIENT_PACKAGE_VERSION=10.6.4-r2
 ARG OPENSSH_SERVER_PACKAGE_VERSION=8.8_p1-r1
 ARG TINI_PACKAGE_VERSION=0.19.0-r0
 ARG USER=dump