convert enum to use the same thing as API

[subodh1810]

here we try to convert the value to enum. The value is listed here as generally_available

[subodh1810]

alright checked in the database as well, the enum being created is generally_available

 public      | release_stage             | alpha
 public      | release_stage             | beta
 public      | release_stage             | generally_available
 public      | release_stage             | custom

[subodh1810]

prod-configapi=> select DISTINCT(release_stage) from actor_definition; 
    release_stage    
---------------------
 generally_available
 alpha
 
 beta
(4 rows)