Prepare 3.3.0 (#519)

Author: derrabus

.doctrine-project.json

@@ -4,20 +4,22 @@
   "slug": "doctrine-migrations-bundle",
   "versions": [
     {
-      "name": "3.3",
-      "branchName": "3.3.x",
+      "name": "3.4",
+      "branchName": "3.4.x",
       "slug": "latest",
       "upcoming": true
     },
+    {
+      "name": "3.3",
+      "branchName": "3.3.x",
+      "slug": "3.3",
+      "current": true
+    },
     {
       "name": "3.2",
       "branchName": "3.2.x",
       "slug": "3.2",
-      "aliases": [
-        "current",
-        "stable"
-      ],
-      "current": true
+      "maintained": false
     },
     {
       "name": "3.1",

.symfony.bundle.yaml

@@ -1,4 +1,4 @@
-branches: ["2.2.x", "3.0.x", "3.1.x", "3.2.x", "3.3.x"]
-maintained_branches: ["2.2.x", "3.2.x", "3.3.x"]
+branches: ["2.2.x", "3.0.x", "3.1.x", "3.2.x", "3.3.x", "3.4.x"]
+maintained_branches: ["2.2.x", "3.3.x", "3.4.x"]
 doc_dir: "Resources/doc/"
-dev_branch: "3.3.x"
+dev_branch: "3.4.x"