Add support for aws govcloud in dist.sh

[kaiyan-sheng]

What does this PR do?

This PR adds support for publishing elastic serverless forwarder to SAR in AWS GovCloud.
With this PR we are not adding a new config parameter. Instead, we are only checking the given region name to see if it includes gov in the name and set the bucket ARN, bucket resource, and a new AWS_OR_AWS_GOV variable.

In macro.yaml, we are using %awsOrGov% which equals to aws or aws-us-gov to construct resource/ARN. For example: if the region is not in AWS Gov, then resource = f"arn:aws:s3:::{bucket_name_and_object_key}" and if region is in AWS Gov, then resource = f"arn:aws-us-gov:s3:::{bucket_name_and_object_key}".

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.md

Related issues

• Relates Make Elastic Serverless Forwarder available in AWS GovCloud regions #181

[github-actions]

File	Coverage	Lines	Branches		Missing
All files	100%	100%	100%	✅
main_aws.py	100%	100%	100%	✅
handlers/__init__.py	100%	100%	100%	✅
handlers/aws/__init__.py	100%	100%	100%	✅
handlers/aws/cloudwatch_logs_trigger.py	100%	100%	100%	✅
handlers/aws/exceptions.py	100%	100%	100%	✅
handlers/aws/handler.py	100%	100%	100%	✅
handlers/aws/kinesis_trigger.py	100%	100%	100%	✅
handlers/aws/replay_trigger.py	100%	100%	100%	✅
handlers/aws/s3_sqs_trigger.py	100%	100%	100%	✅
handlers/aws/sqs_trigger.py	100%	100%	100%	✅
handlers/aws/utils.py	100%	100%	100%	✅
share/__init__.py	100%	100%	100%	✅
share/config.py	100%	100%	100%	✅
share/events.py	100%	100%	100%	✅
share/expand_event_list_from_field.py	100%	100%	100%	✅
share/factory.py	100%	100%	100%	✅
share/include_exlude.py	100%	100%	100%	✅
share/json.py	100%	100%	100%	✅
share/logger.py	100%	100%	100%	✅
share/multiline.py	100%	100%	100%	✅
share/secretsmanager.py	100%	100%	100%	✅
share/utils.py	100%	100%	100%	✅
shippers/__init__.py	100%	100%	100%	✅
shippers/composite.py	100%	100%	100%	✅
shippers/es.py	100%	100%	100%	✅
shippers/factory.py	100%	100%	100%	✅
shippers/logstash.py	100%	100%	100%	✅
shippers/shipper.py	100%	100%	100%	✅
storage/__init__.py	100%	100%	100%	✅
storage/decorator.py	100%	100%	100%	✅
storage/factory.py	100%	100%	100%	✅
storage/payload.py	100%	100%	100%	✅
storage/s3.py	100%	100%	100%	✅
storage/storage.py	100%	100%	100%	✅

Minimum allowed coverage is 100%

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