Bump tests.resources version for 4.21 Change-Id: I92015c5b2e8695fcde17f2ede1bc33c9ef1401ad Signed-off-by: Andrey Loskutov <loskutov@gmx.de> Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.resources/+/181499 Tested-by: Platform Bot <platform-bot@eclipse.org>