upgrade ca-certificates package from v20220614-r3 to v20220614-r4

https://web.archive.org/web/20230114170728/https://git.alpinelinux.org/aports/commit/main/ca-certificates?h=3.17-stable&id=0066480ec351c1a0397c4813feb16b12aaf06280

https://github.com/fphammerle/docker-socat/commit/dc1b8f3cffa017218c942be04f722c912c761e0f

Dockerfile

@@ -3,7 +3,7 @@ FROM alpine:3.17.1
 ARG POSTFIX_PACKAGE_VERSION=3.7.3-r1
 # http://www.postfix.org/postconf.5.html#tls_append_default_CA
 # https://www.mozilla.org/en-US/about/governance/policies/security-group/certs/
-ARG MOZILLA_CA_CERT_STORE_PACKAGE_VERSION=20220614-r3
+ARG MOZILLA_CA_CERT_STORE_PACKAGE_VERSION=20220614-r4
 RUN apk add --no-cache \
         ca-certificates=$MOZILLA_CA_CERT_STORE_PACKAGE_VERSION \
         postfix=$POSTFIX_PACKAGE_VERSION \