Update Configurations Migration Script for new Mongo containers

[itsciccio]

Description

We need to connect to a different Mongo instance and update accordingly.

The following snippet provided by @simplyrider may be of aid:

self._mongo = MongoApi(
            logger.getChild(MongoApi.__name__),
            host=REPLICA_SET_HOSTS, db_name=env.DB_NAME,
            replicaSet=REPLICA_SET_NAME
        )

Requirements

• [x] Update the update_mongo_db function in scripts/config_to_database_migration.py script to connect to the new Mongo instance.
• [x] Test the script using various configurations, and assert that the data is correctly added in the appropiate Mongo document/(s).

Acceptance criteria

Scenario: Running scripts/config_to_database_migration.py Given: That we want to migrate .ini files to Mongo Then: Mongo is populated with the appropiate files