fix: Add aws_partition to support usage of this module in aws-cn and gov

[vladislav-orlovskiy]

Description

add data source aws_partition

replace hardcoded partition aws with ${data.aws_partition.current.partition}

Motivation and Context

This changes is needed so module could correctly work in china and gov regions.

Breaking Changes

No breaking changes.

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

[vladislav-orlovskiy]

not sure why Pre-commit / Max TF pre-commit check is failing
pre-commit run --all-files locally are completed successfully

Terraform fmt............................................................Passed
Terraform wrapper with for_each in module................................Passed
Terraform docs...........................................................Passed
Terraform validate with tflint...........................................Passed
Terraform validate.......................................................Passed
check for merge conflicts................................................Passed
fix end of files.........................................................Passed
trim trailing whitespace.................................................Passed
mixed line ending........................................................Passed

[vladislav-orlovskiy]

@antonbabenko would you mind take a look at that?

[antonbabenko]

This PR is included in version 7.20.2 🎉

[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.