feat: github openid-connect aws actions support

[Rishang]

Story

Why did you create this pull request?

Support for github openid connect actions, as it the best and secure was for use aws creds in github actions

Solves

check process.env for aws creds as session token

What dose this change?

logic to fetch aws creds

References

https://docs.github.com/en/actions/deployment/security-hardening-your-deployments/configuring-openid-connect-in-amazon-web-services

Do you have any references? (eg. MDN, Stackoverflow)

[say8425]

@Rishang Hello, thank you for your PR. Your code test looks failed. Please check this log. Thanks. https://github.com/say8425/aws-secrets-manager-actions/runs/5210475713?check_suite_focus=true#step:7:38

[mrpatrick]

any word on this? Would be awesome if this could be merged

[say8425]

  env:
    SECRET_NAME: 
    AWS_ACCESS_KEY_ID: 
    AWS_SECRET_ACCESS_KEY: 
    AWS_DEFAULT_REGION: 
    AWS_DEFAULT_OUTPUT: 

https://github.com/say8425/aws-secrets-manager-actions/actions/runs/3023204844/jobs/4863274552#step:7:4

Sorry to response, this PR origin from forked repository. So all secrets are empty, and it makes failed test. But pull_request_target trigger looks can access these environments. So I will change this trigger later.

Anyway this PR looks working. So I will fix conflict and approve it.

[say8425]

This PR was already merged.