add aws v2 sdk to support newer resources (#745)

[wakeful]

Description

add support for Managed Prometheus and AWS SDK v2 #745

TODOs

Read the Gruntwork contribution guidelines.

• Update the docs.
• Run the relevant tests successfully, including pre-commit checks.
• Ensure any 3rd party code adheres with our license policy or delete this line if its not applicable.
• Include release notes. If this PR is backward incompatible, include a migration guide.
• Attention Grunts - if this PR adds support for a new resource, ensure the nuke_sandbox and nuke_phxdevops jobs in .circleci/config.yml have been updated with appropriate exclusions (either directly in the job or via the .circleci/nuke_config.yml file) to prevent nuking IAM roles, groups, resources, etc that are important for the test accounts.

Release Notes (draft)

add support for Managed Prometheus & start using AWS SDK v2

[james03160927]

Hi @wakeful, do you plan to make continuous progress on this PR?

[wakeful]

hey @james03160927

Initially, I marked this PR as WIP to start a discussion on the new version of the SDK. If my approach to introducing SDK V2 is agreeable, I will resolve the conflicts and add tests. The main logic remains unchanged.

You should receive an updated PR before the end of this week.

[james03160927]

Overall approach LGTM.
Let's ensure to add tests for managed_prometheus file as well.

[wakeful]

hey @james03160927

Sorry for the late reply!
I finally found some time to add the missing tests.

[james03160927]

LGTM