Update readme with PHP 7.3.0 info

Author: petk

README.md

@@ -24,14 +24,14 @@ The following list contains all current Docker tags and what is included in each
 
 | System | Docker Tag | Features | Size |
 | ------ | ---------- | -------- | ---- |
-| **PHP 7.3.0RC6**@Alpine 3.8.1 | [`7.3`](https://github.com/phpearth/docker-php/tree/master/docker/7.3.Dockerfile) | Small PHP CLI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3.svg)](https://microbadger.com/images/phpearth/php:7.3 "Image size") |
+| **PHP 7.3.0**@Alpine 3.8.1 | [`latest`, `7.3`](https://github.com/phpearth/docker-php/tree/master/docker/7.3.Dockerfile) | Small PHP CLI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3.svg)](https://microbadger.com/images/phpearth/php:7.3 "Image size") |
 | | [`7.3-cli`](https://github.com/phpearth/docker-php/tree/master/docker/7.3-cli.Dockerfile) | PHP CLI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3-cli.svg)](https://microbadger.com/images/phpearth/php:7.3-cli "Image size") |
 | | [`7.3-lighttpd`](https://github.com/phpearth/docker-php/tree/master/docker/7.3-lighttpd.Dockerfile) | Lighttpd 1.4.49 | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3-lighttpd.svg)](https://microbadger.com/images/phpearth/php:7.3-lighttpd "Image size") |
 | | [`7.3-litespeed`](https://github.com/phpearth/docker-php/tree/master/docker/7.3-litespeed.Dockerfile) | OpenLiteSpeed 1.5.0 RC3 | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3-litespeed.svg)](https://microbadger.com/images/phpearth/php:7.3-litespeed "Image size") |
 | | [`7.3-nginx`](https://github.com/phpearth/docker-php/tree/master/docker/7.3-nginx.Dockerfile) | Nginx 1.14.1, FPM | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3-nginx.svg)](https://microbadger.com/images/phpearth/php:7.3-nginx "Image size") |
 | | [`7.3-apache`](https://github.com/phpearth/docker-php/tree/master/docker/7.3-apache.Dockerfile) | Apache 2.4.35 | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3-apache.svg)](https://microbadger.com/images/phpearth/php:7.3-apache "Image size") |
 | | [`7.3-cgi`](https://github.com/phpearth/docker-php/tree/master/docker/7.3-cgi.Dockerfile) | PHP CGI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.3-cgi.svg)](https://microbadger.com/images/phpearth/php:7.3-cgi "Image size") |
-| **PHP 7.2.12**@Alpine 3.8.1 | [`latest`, `7.2`](https://github.com/phpearth/docker-php/tree/master/docker/7.2.Dockerfile) | Small PHP CLI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.2.svg)](https://microbadger.com/images/phpearth/php:7.2 "Image size") |
+| **PHP 7.2.12**@Alpine 3.8.1 | [`7.2`](https://github.com/phpearth/docker-php/tree/master/docker/7.2.Dockerfile) | Small PHP CLI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.2.svg)](https://microbadger.com/images/phpearth/php:7.2 "Image size") |
 | | [`7.2-cli`](https://github.com/phpearth/docker-php/tree/master/docker/7.2-cli.Dockerfile) | PHP CLI | [![](https://images.microbadger.com/badges/image/phpearth/php:7.2-cli.svg)](https://microbadger.com/images/phpearth/php:7.2-cli "Image size") |
 | | [`7.2-lighttpd`](https://github.com/phpearth/docker-php/tree/master/docker/7.2-lighttpd.Dockerfile) | Lighttpd 1.4.49 | [![](https://images.microbadger.com/badges/image/phpearth/php:7.2-lighttpd.svg)](https://microbadger.com/images/phpearth/php:7.2-lighttpd "Image size") |
 | | [`7.2-litespeed`](https://github.com/phpearth/docker-php/tree/master/docker/7.2-litespeed.Dockerfile) | OpenLiteSpeed 1.5.0 RC3 | [![](https://images.microbadger.com/badges/image/phpearth/php:7.2-litespeed.svg)](https://microbadger.com/images/phpearth/php:7.2-litespeed "Image size") |