* Add config for WorkloadIdenttiyAWSRAService
* Add CLI command
* Start hacking on service impl
* Write credentials in AWS credentials file format
* Fix go.mod/go.sum
* Go mod tidy
* Add ARN validation
* Add specific config for AWS session duration/renewal
* Update golden file
* Fix gomod/gosum
* Refactor CheckAndSetDefaults
* Initialize service
* Update CLI flags
* Refactor & add tests
* Use *Context slog calls
* Update service name to include full `roles-anywhere`
* Add mocked AWS rolesanywhere API based test
* Validate region