docs: Update example to show how to pass additional permissions and policies to the tasks role

[bryantbiggs]

Description

• Update example to show how to pass additional permissions and policies to the tasks role

Motivation and Context

• Resolves Does not support tasks_iam_role_statements through the single module? #114

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

[github-actions]

This PR has been automatically marked as stale because it has been open 30 days
with no activity. Remove stale label or comment or this PR will be closed in 10 days

[bryantbiggs]

@antonbabenko if you get time for a second look 🙏🏽

[antonbabenko]

This PR is included in version 5.3.0 🎉

[github-actions]

I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues. If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.