updated branch names

Author: driehle

.doctrine-project.json

@@ -3,14 +3,22 @@
   "name": "Doctrine Module for Laminas",
   "slug": "doctrine-module",
   "versions": [
+    {
+      "name": "4.3",
+      "branchName": "4.3.x",
+      "slug": "4.3",
+      "aliases":[
+        "latest"
+      ],
+      "upcoming": true
+    },
     {
       "name": "4.2",
       "branchName": "4.2.x",
       "slug": "4.2",
       "aliases": [
         "current",
-        "stable",
-        "latest"
+        "stable"
       ],
       "current": true,
       "maintained": true