build(deps): bump php in /Containers/mastercontainer

Bumps php from 8.4.6-fpm-alpine3.21 to 8.4.7-fpm-alpine3.21.

---
updated-dependencies:
- dependency-name: php
  dependency-version: 8.4.7-fpm-alpine3.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Containers/mastercontainer/Dockerfile

@@ -6,7 +6,7 @@ FROM docker:28.1.1-cli AS docker
 FROM caddy:2.10.0-alpine AS caddy
 
 # From https://github.com/docker-library/php/blob/master/8.4/alpine3.21/fpm/Dockerfile
-FROM php:8.4.6-fpm-alpine3.21
+FROM php:8.4.7-fpm-alpine3.21
 
 EXPOSE 80
 EXPOSE 8080