[composer] Set dependencies for 2.0.0-beta2 release

Author: Łukasz Serwatka

composer.json

@@ -32,14 +32,14 @@
         "symfony/asset": "^4.3",
         "symfony/yaml": "^4.3",
         "jms/translation-bundle": "^1.4",
-        "ezsystems/ezpublish-kernel": "^8.0@dev",
-        "ezsystems/repository-forms": "^3.0@dev",
-        "ezsystems/ezplatform-admin-ui-modules": "^2.0@dev",
-        "ezsystems/ez-support-tools": "^2.0@dev",
-        "ezsystems/ezplatform-design-engine": "^3.0@dev",
-        "ezsystems/ezplatform-user": "^2.0@dev",
-        "ezsystems/ezplatform-richtext": "^2.0@dev",
-        "ezsystems/ezplatform-rest": "^1.0@dev",
+        "ezsystems/ezpublish-kernel": "^8.0",
+        "ezsystems/repository-forms": "^3.0",
+        "ezsystems/ezplatform-admin-ui-modules": "^2.0",
+        "ezsystems/ez-support-tools": "^2.0",
+        "ezsystems/ezplatform-design-engine": "^3.0",
+        "ezsystems/ezplatform-user": "^2.0",
+        "ezsystems/ezplatform-richtext": "^2.0",
+        "ezsystems/ezplatform-rest": "^1.0",
         "white-october/pagerfanta-bundle": "^1.2",
         "knplabs/knp-menu-bundle": "^2.2",
         "mck89/peast": "^1.9",