Fix and update Composer autoload

vendor/symfony/contracts/EventDispatcher/.gitignore

@@ -1,3 +0,0 @@
-vendor/
-composer.lock
-phpunit.xml

vendor/symfony/contracts/EventDispatcher/LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2018-2020 Fabien Potencier
+Copyright (c) 2018-2019 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

vendor/symfony/contracts/EventDispatcher/composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=7.1.3"
+        "php": "^7.1.3"
     },
     "suggest": {
         "psr/event-dispatcher": "",
@@ -29,10 +29,6 @@
     "extra": {
         "branch-alias": {
             "dev-master": "1.1-dev"
-        },
-        "thanks": {
-            "name": "symfony/contracts",
-            "url": "https://github.com/symfony/contracts"
         }
     }
 }