Undo dropping of PHP 7.2 support (#119)

Do not drop PHP 7.2 support yet

Author: lippserd

.github/workflows/php.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php: ['7.3', '7.4', '8.0', '8.1', '8.2']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
         os: ['ubuntu-latest']
 
     steps:

README.md

@@ -1,6 +1,6 @@
 # Icinga Web Jira Integration
 
-[![PHP Support](https://img.shields.io/badge/php-%3E%3D%207.3-777BB4?logo=PHP)](https://php.net/)
+[![PHP Support](https://img.shields.io/badge/php-%3E%3D%207.2-777BB4?logo=PHP)](https://php.net/)
 ![Build Status](https://github.com/icinga/icingaweb2-module-jira/workflows/PHP%20Tests/badge.svg?branch=main)
 [![Github Tag](https://img.shields.io/github/tag/Icinga/icingaweb2-module-jira.svg)](https://github.com/Icinga/icingaweb2-module-jira)
 

doc/02-Installation.md.d/From-Source.md

@@ -6,7 +6,7 @@ Make sure you use `jira` as the module name. The following requirements must als
 
 ## Requirements
 
-* PHP (≥7.3)
+* PHP (≥7.2)
 * [Icinga Web](https://github.com/Icinga/icingaweb2) (≥2.9)
 * Icinga Web libraries:
   * [Icinga PHP Library (ipl)](https://github.com/Icinga/icinga-php-library) (≥0.11)