fix(readme): update minimum PHP version required

gaetan-hexadog · gaetan-hexadog · commit 5922777dbf32 · 2023-04-04T15:29:41.000+02:00
diff --git a/README.md b/README.md
@@ -18,7 +18,7 @@
 
 <!-- omit in toc -->
 ## Installation
-This package requires PHP 7.3 and Laravel 7.0 or higher.
+This package requires PHP 7.4 and Laravel 7.0 or higher.
 
 To get started, install Themes Manager using Composer:
 ```shell
