Add a status mapping for FOG migration

Hopefully fixes this: https://mozilla-hub.atlassian.net/browse/DENG-7713?focusedCommentId=996276

Author: Dexterp37

config/config.prod.yaml

@@ -705,3 +705,18 @@
       enhancement: Story
       task: Task
       defect: Bug
+    status_map:
+      UNCONFIRMED: Backlog
+      NEW: Backlog
+      ASSIGNED: In Progress
+      REOPENED: In Progress
+      RESOLVED: Done
+      VERIFIED: Done
+      FIXED: Done
+      INVALID: Done
+      WONTFIX: Done
+      INACTIVE: Done
+      DUPLICATE: Done
+      WORKSFORME: Done
+      INCOMPLETE: Done
+      MOVED: Done