require-error-code-in-thrown-error: ERROR_CODE_PATTERN does not recognize error_codes.cjs non-ERR_/E0xx exports

### Rule: `require-error-code-in-thrown-error`

`ERROR_CODE_PATTERN` (eslint-factory/src/rules/require-error-code-in-thrown-error.ts:6) is:

```js
const ERROR_CODE_PATTERN = /(?

> [!WARNING]
>
> Firewall blocked 1 domain
>
> The following domain was blocked by the firewall during workflow execution:
>
> - `api.anthropic.com`
>
> To allow these domains, add them to the `network.allowed` list in your workflow frontmatter:
>
> ```yaml
> network:
> allowed:
> - defaults
> - "api.anthropic.com"
> ```
>
> See [Network Configuration](https://github.github.com/gh-aw/reference/network/) for more information.
>
>

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> - [x] expires on Sep 22, 2026, 9:36 PM UTC-08:00

Start with eslint-factory/src/rules/require-error-code-in-thrown-error.ts and its rule tests, then compare ERROR_CODE_PATTERN with the exports listed in actions/setup/js/error_codes.cjs:61-72,87-89. Decide whether those exports belong to the rule's valid-code vocabulary or should be explicitly excluded, add coverage for RATE_LIMIT_EXCEEDED in a thrown error, and ensure the documentation or matching logic reflects that decision.

Written by the indexing model from the issue text.