Add v2.3.0 into CHANGELOG.md

CHANGELOG.md

@@ -3,6 +3,10 @@
  
 ## [Unreleased]
 
+## [v2.3.0]
+#### Changed
+- Allow use SSP module Perun in version v4.0 or greater
+
 ## [v2.2.0]
 #### Changed
 - Allow use SSP module Perun in version v4.x

composer.json

@@ -17,7 +17,7 @@
     "require": {
         "simplesamlphp/composer-module-installer": "~1.0",
         "simplesamlphp/simplesamlphp": "~1.17",
-        "cesnet/simplesamlphp-module-perun": "~4.0",
+        "cesnet/simplesamlphp-module-perun": ">=4.0",
         "ext-json": "*",
         "ext-curl": "*"
     }