Merge pull request #193 from jrushlow/feature/dep-contract-support

allow deprecation contracts 3.0

Author: jrushlow

composer.json

@@ -8,7 +8,7 @@
         "php": ">=7.2.5",
         "symfony/config": "^4.4 | ^5.0 | ^6.0",
         "symfony/dependency-injection": "^4.4 | ^5.0 | ^6.0",
-        "symfony/deprecation-contracts": "^2.2",
+        "symfony/deprecation-contracts": "^2.2 | ^3.0",
         "symfony/http-kernel": "^4.4 | ^5.0 | ^6.0"
     },
     "require-dev": {