Add esUS (Spanish - United States) locale

[Copilot]

esUS was present in antd's locale set but missing from this project, causing the automated locale-check workflow to flag it.

Changes

• src/locale.ts — Added esUS export with full Spanish country name translations (mirrors esES, same standard Spanish)
• development/src/ant-phone/locale.ts — Added import esUS from "antd/es/locale/es_US" and included esUS in the locale map

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/repos/ant-design/ant-design/contents/components/locale
  • Triggering command: /usr/bin/curl curl -s -H User-Agent: react-phone-hooks REDACTED (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Missing locale translations detected</issue_title>
<issue_description>Update the translations, adding the following language keys:

• esUS (antd)</issue_description>

<agent_instructions>Add the new language keys similar to #112 PR</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes Missing locale translations detected #124

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