Set up main branch to become 4.6 in the future

Author: mnocon

composer.json

@@ -38,7 +38,7 @@
         "symfony/expression-language": "^5.3.0",
         "symfony/validator": "^5.3.0",
         "symfony/var-dumper": "^5.3.0",
-        "ibexa/doctrine-schema": "~4.5.0@dev",
+        "ibexa/doctrine-schema": "~4.6.0@dev",
         "symfony-cmf/routing": "^2.3",
         "guzzlehttp/guzzle": "^6.5",
         "php-http/guzzle6-adapter": "^2.0",
@@ -155,7 +155,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "4.5.x-dev"
+            "dev-main": "4.6.x-dev"
         },
         "thanks": {
             "name": "ezsystems/ezplatform",