upgrade alpine base image from v3.17.3 to v3.18.0 including upgrade of postsrsd package from v1.12-r0 to v2.0.4-r0 (see below)

https://web.archive.org/web/20230512141024/https://github.com/roehling/postsrsd/blob/2.0.4/CHANGELOG.rst
https://web.archive.org/web/20230512141411/https://git.alpinelinux.org/aports/commit/community/postsrsd?h=3.18-stable&id=bdd3b10c3e60da2243c0771b1c8b1626c391dd2f
https://web.archive.org/web/20230512141439/https://git.alpinelinux.org/aports/commit/community/postsrsd?h=3.18-stable&id=7e3d2c3a5781968f6728480f607e1e1f9636dc10
https://web.archive.org/web/20230512141526/https://git.alpinelinux.org/aports/commit/community/postsrsd?h=3.18-stable&id=c0f8777bd739c6e60a6cb6b08f28a7160ab7c743
https://web.archive.org/web/20230512141555/https://git.alpinelinux.org/aports/commit/community/postsrsd?h=3.18-stable&id=22024b5a2eb11b7d7d3b952442b685cc214c36e8
https://web.archive.org/web/20230512141623/https://git.alpinelinux.org/aports/commit/community/postsrsd?h=3.18-stable&id=85d3b4954b5327a39c803fb10fab94c436697ea4

Dockerfile

@@ -1,6 +1,6 @@
-FROM alpine:3.17.3
+FROM docker.io/alpine:3.18.0
 
-ARG POSTSRSD_PACKAGE_VERSION=1.12-r0
+ARG POSTSRSD_PACKAGE_VERSION=2.0.4-r0
 RUN adduser -S postsrsd \
     && apk add --no-cache postsrsd=$POSTSRSD_PACKAGE_VERSION \
     && mkdir -p /etc/postsrsd/secrets \

postsrsd-package-log.url

@@ -1 +1 @@
-https://git.alpinelinux.org/aports/log/community/postsrsd?h=3.17-stable
+https://git.alpinelinux.org/aports/log/community/postsrsd?h=3.18-stable