Update the API types by running `api:codegen`. Some of the changes are
fixed in code, some of the type changes had to be reverted (JIT Access,
SSO features).
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## Summary by CodeRabbit
* **Billing**
* Updated subscription messaging to reflect AWS Marketplace billing.
* Removed outdated partner-billing downgrade notices.
* **Bug Fixes**
* Improved request handling for API keys, custom domains, SQL snippets,
branches, and storage operations.
* Improved legacy signing-key compatibility.
* Refined temporary database access availability messaging.
* **Updates**
* Removed Fly as an available cloud provider for region selection.
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