Merge pull request #500 from onepanelio/feat/onepanelio.core.386-migrations.update

feat: Update migrations for maskRCNN, tf od, and cvat

Author: Vafilor

api/api.swagger.json

@@ -3,7 +3,7 @@
   "info": {
     "title": "Onepanel",
     "description": "Onepanel API",
-    "version": "0.12.0b4",
+    "version": "0.12.0-rc.0",
     "contact": {
       "name": "Onepanel project",
       "url": "https://github.com/onepanelio/core"