[composer] Set dependencies for 4.0.0-rc5 release.

composer.json

@@ -46,13 +46,13 @@
         "symfony/asset": "^5.0",
         "symfony/yaml": "^5.0",
         "jms/translation-bundle": "^1.5",
-        "ibexa/core": "^4.0@dev",
-        "ibexa/content-forms": "^4.0@dev",
-        "ibexa/design-engine": "^4.0@dev",
-        "ibexa/user": "^4.0@dev",
-        "ibexa/fieldtype-richtext": "^4.0@dev",
-        "ibexa/rest": "^4.0@dev",
-        "ibexa/search": "^4.0@dev",
+        "ibexa/core": "^4.0@rc",
+        "ibexa/content-forms": "^4.0@rc",
+        "ibexa/design-engine": "^4.0@rc",
+        "ibexa/user": "^4.0@rc",
+        "ibexa/fieldtype-richtext": "^4.0@rc",
+        "ibexa/rest": "^4.0@rc",
+        "ibexa/search": "^4.0@rc",
         "babdev/pagerfanta-bundle": "^2.1",
         "knplabs/knp-menu-bundle": "^3.0",
         "mck89/peast": "^1.9",
@@ -62,13 +62,13 @@
         "twig/string-extra": "^3.0"
     },
     "require-dev": {
-        "ibexa/ci-scripts": "^0.2@dev",
-        "ezsystems/behatbundle": "^9.0@dev",
+        "ibexa/ci-scripts": "^0.2@rc",
+        "ezsystems/behatbundle": "^9.0@rc",
         "friendsofphp/php-cs-fixer": "^3.0",
         "phpunit/phpunit": "^8.1",
         "matthiasnoback/symfony-dependency-injection-test": "^4.0",
-        "ibexa/doctrine-schema": "^4.0@dev",
-        "ibexa/http-cache": "^4.0@dev",
+        "ibexa/doctrine-schema": "^4.0@rc",
+        "ibexa/http-cache": "^4.0@rc",
         "ibexa/code-style": "^1.0"
     },
     "scripts": {
@@ -81,4 +81,4 @@
             "dev-main": "4.0.x-dev"
         }
     }
-}
+}