[6.4] Allow 7.0 deps

Author: nicolas-grekas

composer.json

@@ -20,15 +20,15 @@
         "egulias/email-validator": "^2.1.10|^3|^4",
         "psr/event-dispatcher": "^1",
         "psr/log": "^1|^2|^3",
-        "symfony/event-dispatcher": "^5.4|^6.0",
-        "symfony/mime": "^6.2",
+        "symfony/event-dispatcher": "^5.4|^6.0|^7.0",
+        "symfony/mime": "^6.2|^7.0",
         "symfony/service-contracts": "^2.5|^3"
     },
     "require-dev": {
-        "symfony/console": "^5.4|^6.0",
-        "symfony/http-client": "^5.4|^6.0",
-        "symfony/messenger": "^6.2",
-        "symfony/twig-bridge": "^6.2"
+        "symfony/console": "^5.4|^6.0|^7.0",
+        "symfony/http-client": "^5.4|^6.0|^7.0",
+        "symfony/messenger": "^6.2|^7.0",
+        "symfony/twig-bridge": "^6.2|^7.0"
     },
     "conflict": {
         "symfony/http-client-contracts": "<2.5",