Adds s3_key_prefix to template fields #27207
Merged
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I recently noticed that the S3 bucket parameter for the
DynamoDBToS3Operatoris included in the template fields, but the S3 prefix is not. This PR adds the latter to the template fields.Adding templating to the prefix is especially useful for S3 objects that have date-delimited prefixes. Prefixes are templated in many other operators across AWS and GCP, so I figured they should also be templated here.
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