Drop NM24 and add NM27

Author: BrunoSpy

README.md

@@ -6,11 +6,11 @@
 
 http://www.eurocontrol.int/service/network-manager-business-business-b2b-web-services
 
-Supported versions : 24.0 - 25.0 - 26.0
+Supported versions : 25.0 - 26.0 - 27.0
 
 ## Requirements
 
-* PHP >= 7.3
+* PHP >= 8.0
 
 ## Installation
 

src/NMB2BClient.php

@@ -33,7 +33,7 @@ class NMB2BClient
     private $airspaceServices;
     private $flowServices;
 
-    public const SUPPORTED_VERSIONS = ["24.0.0", "25.0.0", "26.0.0"];
+    public const SUPPORTED_VERSIONS = ["25.0.0", "26.0.0", "27.0.0"];
 
     /**
      * Default options