Bump php from 8.1.12-cli-alpine3.16 to 8.1.13-cli-alpine3.16 in /docker

Bumps php from 8.1.12-cli-alpine3.16 to 8.1.13-cli-alpine3.16.

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

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

docker/php.Dockerfile

@@ -1,7 +1,7 @@
 #============================================
 # BUILD
 #============================================
-FROM php:8.1.12-cli-alpine3.16 AS builder
+FROM php:8.1.13-cli-alpine3.16 AS builder
 
 # https://blog.packagecloud.io/eng/2017/02/21/set-environment-variable-save-thousands-of-system-calls/
 ENV TZ=:UTC
@@ -88,7 +88,7 @@ RUN composer install --no-progress --ignore-platform-reqs --no-dev --prefer-dist
 #============================================
 # COMMAND LINE INTERFACE
 #============================================
-FROM php:8.1.12-cli-alpine3.16 as cli
+FROM php:8.1.13-cli-alpine3.16 as cli
 
 # https://blog.packagecloud.io/eng/2017/02/21/set-environment-variable-save-thousands-of-system-calls/
 ENV TZ=:UTC
@@ -175,7 +175,7 @@ CMD ["php"]
 #============================================
 # FPM SAPI
 #============================================
-FROM php:8.1.12-fpm-alpine3.16 as fpm
+FROM php:8.1.13-fpm-alpine3.16 as fpm
 
 # https://blog.packagecloud.io/eng/2017/02/21/set-environment-variable-save-thousands-of-system-calls/
 ENV TZ=:UTC