Add aws_config_delivery_channel table closes #2325

[misraved]

Integration test logs

Logs

Add passing integration test logs here

Example query results

Results

 select * from aws_config_delivery_channel
+---------+-----------------------------------------------------------------+----------------------------+---------------+----------------+------------------------------------------------->
| name    | arn                                                             | s3_bucket_name             | s3_key_prefix | s3_kms_key_arn | sns_topic_arn                                   >
+---------+-----------------------------------------------------------------+----------------------------+---------------+----------------+------------------------------------------------->
| default | arn:aws:config:ap-south-1:1111111111111111:delivery-channel/default | config-bucket-1111111111111111 | <null>        | <null>         | arn:aws:sns:ap-south-1:1111111111111111:config-topic>
| default | arn:aws:config:us-west-1:1111111111111111:delivery-channel/default  | config-bucket-1111111111111111 | <null>        | <null>         | <null>                                          >
| default | arn:aws:config:us-east-1:1111111111111111:delivery-channel/default  | config-bucket-1111111111111111 | <null>        | <null>         | <null>                                          >
| default | arn:aws:config:us-east-2:1111111111111111:delivery-channel/default  | config-bucket-1111111111111111 | <null>        | <null>         | <null>                                          >
+---------+-----------------------------------------------------------------+----------------------------+---------------+----------------+------------------------------------------------```
</details>

[ParthaI]

@misraved. I have left a few review comments please take a look. Thanks!