feat: Add support for task and execution role ARNs in action.yml and …

[DMEvanCT]

…index.js

Issue #, if available:

Description of changes: Adding the ability to do set task role arn and the execution role arn. This may be different from account to account so setting it would provide a little flexibility.

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[amazreech]

Hi @DMEvanCT, thank you so much for your contribution. Apologies on the delay. We will be working on reviewing Pull Requests on the repositories. In the mean time please ensure that below steps, if not already done, are taken care of in your PR:

1. Verify if PR follows semantic pull request conventions.

2. Please run npm run package command to update dist/ folder with latest dependencies.

3. Resolve merge conflicts on the PR