Add support psr/contaner:^2.0

Author: vjik

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "psr/container": "^1.0",
+        "psr/container": "^1.0|^2.0",
         "symfony/options-resolver": "^4.2 || ^5.0"
     },
     "require-dev": {