[Contracts] add return types and bump to v3

nicolas-grekas · nicolas-grekas · commit 8703e31c8261 · 2021-07-14T19:12:34.000+02:00
diff --git a/composer.json b/composer.json
@@ -17,7 +17,7 @@
     ],
     "require": {
         "php": ">=8.0.2",
-        "symfony/deprecation-contracts": "^2.1",
+        "symfony/deprecation-contracts": "^2.1|^3.0",
         "symfony/polyfill-ctype": "~1.8",
         "symfony/polyfill-mbstring": "~1.0"
     },
