[composer] Set dependencies for 4.0.0-rc4 release.

composer.json

@@ -16,10 +16,10 @@
     "require": {
         "php": "^7.4 || ^8.0",
         "ext-dom": "*",
-        "ibexa/core": "^4.0@dev",
-        "ibexa/admin-ui": "^4.0@dev",
-        "ibexa/rest": "^4.0@dev",
-        "ibexa/fieldtype-richtext": "^4.0@dev",
+        "ibexa/core": "^4.0@rc",
+        "ibexa/admin-ui": "^4.0@rc",
+        "ibexa/rest": "^4.0@rc",
+        "ibexa/fieldtype-richtext": "^4.0@rc",
         "lexik/jwt-authentication-bundle": "^2.8",
         "overblog/graphql-bundle": "^0.13",
         "erusev/parsedown": "^1.7",
@@ -33,12 +33,12 @@
         "symfony/serializer": "^5.0"
     },
     "require-dev": {
-        "ibexa/doctrine-schema": "^4.0@dev",
-        "ibexa/content-forms": "^4.0@dev",
-        "ibexa/design-engine": "^4.0@dev",
-        "ibexa/user": "^4.0@dev",
-        "ibexa/search": "^4.0@dev",
-        "ibexa/http-cache": "^4.0@dev",
+        "ibexa/doctrine-schema": "^4.0@rc",
+        "ibexa/content-forms": "^4.0@rc",
+        "ibexa/design-engine": "^4.0@rc",
+        "ibexa/user": "^4.0@rc",
+        "ibexa/search": "^4.0@rc",
+        "ibexa/http-cache": "^4.0@rc",
         "overblog/graphiql-bundle": "^0.2",
         "phpspec/phpspec": "^6.1",
         "friendsofphp/php-cs-fixer": "^3.0",
@@ -71,4 +71,4 @@
     "scripts": {
         "fix-cs": "php-cs-fixer fix --config=.php-cs-fixer.php -v --show-progress=dots"
     }
-}
+}