Allow v3 contracts where possible

Author: derrabus

composer.json

@@ -17,8 +17,8 @@
     ],
     "require": {
         "php": ">=7.2.5",
-        "symfony/deprecation-contracts": "^2.1",
-        "symfony/event-dispatcher-contracts": "^2",
+        "symfony/deprecation-contracts": "^2.1|^3",
+        "symfony/event-dispatcher-contracts": "^2|^3",
         "symfony/polyfill-php80": "^1.16"
     },
     "require-dev": {
@@ -27,7 +27,7 @@
         "symfony/config": "^4.4|^5.0|^6.0",
         "symfony/error-handler": "^4.4|^5.0|^6.0",
         "symfony/http-foundation": "^4.4|^5.0|^6.0",
-        "symfony/service-contracts": "^1.1|^2",
+        "symfony/service-contracts": "^1.1|^2|^3",
         "symfony/stopwatch": "^4.4|^5.0|^6.0",
         "psr/log": "^1|^2|^3"
     },