Add config and data for 4.6-rc1

Author: Repiteo

configs/godotengine.godot.4.6.json

@@ -1,9 +1,9 @@
 {
     "name": "4.6",
     "git_tag": "master",
-    "ref": "76dda5c6c50c9cc26128c5e831f1a70b6e8a6785",
+    "ref": "481f36ed20520db3195a09cc309abf48c03cf51a",
     "from_ref": "4.5-stable",
-    "article": "https://godotengine.org/article/dev-snapshot-godot-4-6-beta-3/",
+    "article": "https://godotengine.org/article/release-candidate-godot-4-6-rc-1/",
 
     "releases": [
         {
@@ -59,6 +59,12 @@
             "ref": "76dda5c6c50c9cc26128c5e831f1a70b6e8a6785",
             "from_ref": "551ce8d47feda9c81c870314745366b24957624b",
             "article": "https://godotengine.org/article/dev-snapshot-godot-4-6-beta-3"
+        },
+        {
+            "name": "rc1",
+            "ref": "481f36ed20520db3195a09cc309abf48c03cf51a",
+            "from_ref": "76dda5c6c50c9cc26128c5e831f1a70b6e8a6785",
+            "article": "https://godotengine.org/article/release-candidate-godot-4-6-rc-1/"
         }
     ]
 }