Amazon Bedrock - Model Customization Jobs

[ferruzzi]

Adds support for Model Customization Jobs. Includes changes to the hook(s), new Operator, Sensor, Trigger, Waiter, unit tests for the above, updates to the doc page, and additions to the system test.

Manually tested in Breeze using (wait_for_completion=False with a Sensor), wait_for_completion=True, and deferrable=True. Don't mind the first two, bugs were squashed , as seen in the rest of the runs :P

[ferruzzi]

I also didn't add a BedrockDeleteCustomModelOperator because it is literally just a hook call: BedrockHook().conn.delete_custom_model(modelIdentifier=custom_model_arn). It's instantaneous and irreversible, so no sensors or waiters or triggers or anything like that, just a bulky wrapper around a hook call. Should I add it for completion sake?

[syedahsn]

LGTM. Nice work, I love all the optimizations we've made with supporting deferrable operators (AwsBaseWaiterTrigger, custom waiters, consistent structures etc.) Really simplifies the whole process 😄

[ferruzzi]

@o-nikolas@Taragolis@syedahsn - I refactored how we handle a name conflict. Can you please have another look and re-approve (or comment) when you get time?

[o-nikolas]

@o-nikolas@Taragolis@syedahsn - I refactored how we handle a name conflict. Can you please have another look and re-approve (or comment) when you get time?

The code looks functionally correct to me. Although the while True loop worries me a bit, it's very easy for a small bug to get introduced into something like that and then suddenly be stuck in an infinite loop.

[ferruzzi]

@o-nikolas Reworked the while True so it won't repeat by default