feat: Allow Glue Schema registry data format to be configurable

[bryantbiggs]

Description

• Allow Glue Schema registry data format to be configurable

Motivation and Context

• Resolves Allow change in schema data format #31

Breaking Changes

• No

How Has This Been Tested?

• I have updated at least one of the examples/* to demonstrate and validate my change(s)
• I have tested and validated these changes using one or more of the provided examples/* projects

• I have executed pre-commit run -a on my pull request

[rcfja]

Suggestion : update the example also https://github.com/terraform-aws-modules/terraform-aws-msk-kafka-cluster/blob/master/examples/complete/main.tf#L105

[bryantbiggs]

why do we need to update the example? this is just an enum value

[rcfja]

You don't need to. Might be a nice idea to let people know this data_format config is available.

[bryantbiggs]

You don't need to. Might be a nice idea to let people know this data_format config is available.

Perhaps, but this is the first time this has come up and I don't want to make a mess of the examples. Its supported now though!

[antonbabenko]

This PR is included in version 2.7.0 🎉

[github-actions]

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