build(deps): bump library/alpine from 3.23.2 to 3.23.3

Bumps library/alpine from 3.23.2 to 3.23.3.

---
updated-dependencies:
- dependency-name: library/alpine
  dependency-version: 3.23.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -71,7 +71,7 @@ ARG RUNTIME_DEPS="\
 
 FROM composer:2.9.4 AS builder-composer
 
-FROM docker.io/library/alpine:3.23.2 AS builder
+FROM docker.io/library/alpine:3.23.3 AS builder
 
 ARG HUMHUB_VERSION
 ARG BUILD_DEPS
@@ -101,7 +101,7 @@ RUN composer config --no-plugins allow-plugins.yiisoft/yii2-composer true && \
     grunt build-assets && \
     rm -rf ./node_modules
 
-FROM docker.io/library/alpine:3.23.2 AS base
+FROM docker.io/library/alpine:3.23.3 AS base
 
 ARG HUMHUB_VERSION
 ARG RUNTIME_DEPS