Bump php from 8.2-fpm-alpine to 8.3-fpm-alpine in /docker/php

Bumps php from 8.2-fpm-alpine to 8.3-fpm-alpine.

---
updated-dependencies:
- dependency-name: php
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

docker/php/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.2-fpm-alpine
+FROM php:8.3-fpm-alpine
 
 RUN mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"