Update configs for apa region

[jdlynch92]

Description of changes

• Parallel Cluster CLI currently only support us-iso-east-1 and us-isob-east-1. This is to add support for us-iso-west-1.

Tests

• Modified tests to include us-iso-west-1.

References

• https://app.asana.com/0/1205838478095644/1209529715194653

Checklist

• Make sure you are pointing to the right branch.
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• Make sure to have added unit tests or integration tests to cover the new/modified code.
• Check if documentation is impacted by this change.

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