build(deps): bump php from 8.3.0-fpm to 8.3.1-fpm in /php (#2)

Bumps php from 8.3.0-fpm to 8.3.1-fpm.

---
updated-dependencies:
- dependency-name: php
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

php/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.3.0-fpm
+FROM php:8.3.1-fpm
 
 ENV IPE_GD_WITHOUTAVIF=1