upgrade alpine base image to 3.24.0, postfix package to 3.11.3-r0

Co-authored-by: Clawbot (Kimi K2.5) <clawbot@openclaw.ai>

Dockerfile

@@ -6,15 +6,15 @@
 #
 # SPDX-License-Identifier: EPL-2.0
 
-FROM docker.io/alpine:3.23.4
+FROM docker.io/alpine:3.24.0
 
 # http://www.postfix.org/announcements.html
-# https://git.alpinelinux.org/aports/log/main/postfix?h=3.23-stable
-ARG POSTFIX_PACKAGE_VERSION=3.10.10-r0
+# https://git.alpinelinux.org/aports/log/main/postfix?h=3.24-stable
+ARG POSTFIX_PACKAGE_VERSION=3.11.3-r0
 # http://www.postfix.org/postconf.5.html#tls_append_default_CA
 # https://www.mozilla.org/en-US/about/governance/policies/security-group/certs/
 # https://gitlab.alpinelinux.org/alpine/ca-certificates/-/commits/master
-# https://git.alpinelinux.org/aports/log/main/ca-certificates?h=3.23-stable
+# https://git.alpinelinux.org/aports/log/main/ca-certificates?h=3.24-stable
 ARG MOZILLA_CA_CERT_STORE_PACKAGE_VERSION=20260413-r0
 RUN apk add --no-cache \
         ca-certificates=$MOZILLA_CA_CERT_STORE_PACKAGE_VERSION \