style(l10n): simplify update button text in mod management header (#4712)

Author: 3gf8jv4dv

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -1045,7 +1045,7 @@ mods.category=Category
 mods.channel.alpha=Alpha
 mods.channel.beta=Beta
 mods.channel.release=Release
-mods.check_updates=Check for Updates
+mods.check_updates=Update
 mods.check_updates.current_version=Current Version
 mods.check_updates.empty=All mods are up-to-date
 mods.check_updates.failed_check=Failed to check for updates.

HMCL/src/main/resources/assets/lang/I18N_es.properties

@@ -1048,7 +1048,7 @@ mods.category=Categoría
 mods.channel.alpha=Alpha
 mods.channel.beta=Beta
 mods.channel.release=Release
-mods.check_updates=Comprobar actualizaciones
+mods.check_updates=Actualizar
 mods.check_updates.current_version=Versión actual
 mods.check_updates.empty=Todos los mods están actualizados
 mods.check_updates.failed_check=No se ha podido comprobar si hay actualizaciones.