Moji: Update Microcopy translations

Author: boxmoji

microcopy/microcopy.json

@@ -229,10 +229,10 @@
   "headers.primary.links.learn-sign.text": "Box Sign",
   "headers.primary.links.learn-sign.url": "\/sign\/",
   "headers.primary.links.ai_dev_zone.text": "Box AI Developer Zone",
-  "headers.primary.links.ai_dev_zone.url": "\/sign\/",
+  "headers.primary.links.ai_dev_zone.url": "\/ai-dev-zone\/",
   "headers.primary.links.buie.text": "Box UI Elements",
   "headers.primary.links.buie.url": "\/box-ui-elements",
-  "headers.primary.links.mcp.text": "Box MCP Server",
+  "headers.primary.links.mcp.text": "Box MCPサーバー",
   "headers.primary.links.mcp.url": "\/guides\/box-mcp\/",
   // The text for the link to the old Get Started guides
   "headers.primary.links.get_started.text": "クイックスタート",