chore: Update Role Names

[hilenko]

Description

We have a team with a few team members, and when we use this module at the same time, we get the error: Role with name dms-cloudwatch-logs-role already exists. and Role with name dms-vpc-role already exists.

Motivation and Context

These changes provide the opportunity to rename role names.

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

[bryantbiggs]

Please read the docs https://docs.aws.amazon.com/dms/latest/userguide/security-iam.html#CHAP_Security.APIRole

[hilenko]

Oh I understood my mistake. Thank you.

[github-actions[bot]]

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