4.21. update for org.eclipse.core.externaltools For https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/180767 Change-Id: Ibabcb81e35cce4c69cf2c7419d6619ac1fcac46e Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.debug/+/181851 Tested-by: Platform Bot <platform-bot@eclipse.org> Reviewed-by: Lars Vogel <Lars.Vogel@vogella.com>