Upgrade Alpine to 3.12

Signed-off-by: J0WI <J0WI@users.noreply.github.com>

17.0/fpm-alpine/Dockerfile

@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine3.11
+FROM php:7.3-fpm-alpine3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \

18.0/fpm-alpine/Dockerfile

@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.3-fpm-alpine3.11
+FROM php:7.3-fpm-alpine3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \

19.0/fpm-alpine/Dockerfile

@@ -1,5 +1,5 @@
 # DO NOT EDIT: created by update.sh from Dockerfile-alpine.template
-FROM php:7.4-fpm-alpine3.11
+FROM php:7.4-fpm-alpine3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \

Dockerfile-alpine.template

@@ -1,4 +1,4 @@
-FROM php:%%PHP_VERSION%%-%%VARIANT%%3.11
+FROM php:%%PHP_VERSION%%-%%VARIANT%%3.12
 
 # entrypoint.sh and cron.sh dependencies
 RUN set -ex; \