Fixed composer.json at PHP<9, removed IRC channel and added one author (me).

composer.json

@@ -19,15 +19,18 @@
         {
             "name": "Rodney Rehm",
             "email": "rodney.rehm@medialize.de"
+        },
+        {
+            "name": "Simon Wisselink",
+            "homepage": "https://www.iwink.nl/"
         }
     ],
     "support": {
-        "irc": "irc://irc.freenode.org/smarty",
         "issues": "https://github.com/smarty-php/smarty/issues",
         "forum": "http://www.smarty.net/forums/"
     },
     "require": {
-        "php": ">=7.1"
+        "php": "^7.1 || ^8.0"
     },
     "autoload": {
         "classmap": [
@@ -36,7 +39,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.1.x-dev"
+            "dev-master": "4.0.x-dev"
         }
     },
     "require-dev": {