Update to PHP 8.3

Fixes #464

apache/Dockerfile

@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:8.2-apache
+FROM php:8.3-apache
 
 # Install dependencies
 RUN set -ex; \

fpm-alpine/Dockerfile

@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:8.2-fpm-alpine
+FROM php:8.3-fpm-alpine
 
 # install and docker-entrypoint.sh dependencies
 RUN apk add --no-cache \

fpm/Dockerfile

@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-debian.template
-FROM php:8.2-fpm
+FROM php:8.3-fpm
 
 # Install dependencies
 RUN set -ex; \

update.sh

@@ -14,7 +14,7 @@ declare -A base=(
 )
 
 declare -A php_version=(
-	[default]='8.2'
+	[default]='8.3'
 )
 
 declare -A cmd=(