[composer] Set dependencies for 4.0.0-rc3 release.

Author: Łukasz Serwatka

composer.json

@@ -24,14 +24,14 @@
         "symfony/translation": "^5.0",
         "symfony/translation-contracts": "^2.0",
         "twig/twig": "^3.0",
-        "ibexa/core": "^4.0@dev",
-        "ibexa/content-forms": "^4.0@dev",
-        "ibexa/rest": "^4.0@dev",
-        "ibexa/http-cache": "^4.0@dev"
+        "ibexa/core": "^4.0@rc",
+        "ibexa/content-forms": "^4.0@rc",
+        "ibexa/rest": "^4.0@rc",
+        "ibexa/http-cache": "^4.0@rc"
     },
     "require-dev": {
-        "ibexa/ci-scripts": "^0.2@dev",
-        "ibexa/doctrine-schema": "^4.0@dev",
+        "ibexa/ci-scripts": "^0.2@rc",
+        "ibexa/doctrine-schema": "^4.0@rc",
         "phpunit/phpunit": "^9.5",
         "symfony/finder": "^5.0",
         "matthiasnoback/symfony-config-test": "^4.1",
@@ -70,4 +70,4 @@
             "dev-main": "4.0.x-dev"
         }
     }
-}
+}