feat(pipelines): document aws_partition field for aws_oidc block

[ZachGoldberg]

Summary

• Adds aws_partition to the aws_oidc block attributes in the API reference (api.mdx)
• Updates the GovCloud tutorial to mention that aws_partition must also be set to aws-us-gov alongside the partition in the role ARNs

Context

The Pipelines codebase is gaining a new optional aws_partition field on the aws_oidc block (gruntwork-io/pipelines PR forthcoming). The field defaults to aws and accepts aws, aws-cn, or aws-us-gov. It's required when using the AWSRoleName workflow parameter with non-commercial partitions.

Test plan

• Verify aws_partition renders correctly in the API reference with its default value shown
• Verify GovCloud tutorial link to aws_partition resolves

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Apr 13, 2026 7:17pm

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