Add backing_up Database status

Author: bbiggerr

openapi.yaml

@@ -17773,6 +17773,7 @@ components:
           - failed
           - degraded
           - updating
+          - backing_up
           description: The operating status of the Managed Database.
           example: active
           x-linode-filterable: true
@@ -17961,6 +17962,7 @@ components:
             restoring: yellow
             failed: red
             degraded: red
+            default_: white
         encrypted:
           $ref: '#/components/schemas/Database/properties/encrypted'
         allow_list:
@@ -18706,6 +18708,7 @@ components:
             failed: red
             pending: yellow
             stale: red
+            default_: white
           type: string
           enum:
           - accepted
@@ -24058,6 +24061,7 @@ components:
             failed: red
             pending: yellow
             stale: red
+            default_: white
           type: string
           enum:
           - accepted