Templated fields for DynamoDBToS3Operator similar to MySQLToS3Operator

[rpauli]

Description

I am using Airflow to move data periodically to our datalake and noticed that the MySQLToS3Operator has tempalted fields and the DynamoDBToS3Operator doesn't. I found a semi awkward workaround but thought templated fields would be nice.
I supposed an implementation could be as simple as adding

template_fields = (
's3_bucket',
's3_key',
)

to the Operator similar to the MySQLToS3Operator.
Potentially one could also add a log call in execute()
as well as using with in the NamedTemporaryFile

Use case/motivation

At the moment MySQLToS3Operator and DynamoDBToS3Operator behave differently in terms of templating and some of the code in MySQLtoS3Operator seems more refined.

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[boring-cyborg]

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[potiuk]

assigned you !

[gmcrocetti]

I'm interest on it. I'll give it a try @potiuk . o/