Generate correct caps for Felix SCR known bundle

Felix SCR 1.8+ supports DS 1.2.

If/when this is merged, the Bundle-Hub index.xml will need to be regenerated.

Signed-off-by: Sean Bright <sean@malleable.com>
For Felix SCR 1.8, is org.osgi.service.cm 1.2 really the requirement still? Perhaps that is higher too?