Support cross account DynamoDB source tables

[graytaylor0]

Is your feature request related to a problem? Please describe.
With the addition of DynamoDB resource policies, data prepper can now assume a role in account A and access a table in account B. However, the Data Prepper DynamodB source only passes the table name to some requests, instead of the full table ARN (

data-prepper/data-prepper-plugins/dynamodb-source/src/main/java/org/opensearch/dataprepper/plugins/source/dynamodb/leader/LeaderScheduler.java

Line 240 in 11b18cd

.tableName(tableName)

). Changing this in all the calls that allow table arn will allow this support.

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