Rename security panel to safety panel (home-assistant#154435)

Author: piitaya

homeassistant/components/frontend/__init__.py

@@ -453,7 +453,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     hass.http.app.router.register_resource(IndexView(repo_path, hass))
 
     async_register_built_in_panel(hass, "light")
-    async_register_built_in_panel(hass, "security")
+    async_register_built_in_panel(hass, "safety")
     async_register_built_in_panel(hass, "climate")
 
     async_register_built_in_panel(hass, "profile")