update irc link

Author: Arhell

composer.json

@@ -45,7 +45,7 @@
 		"issues": "https://github.com/yiisoft/yii2/issues?state=open",
 		"forum": "http://www.yiiframework.com/forum/",
 		"wiki": "http://www.yiiframework.com/wiki/",
-		"irc": "irc://irc.freenode.net/yii",
+		"irc": "ircs://irc.libera.chat:6697/yii",
 		"source": "https://github.com/yiisoft/yii2"
 	},
 	"require": {