[rpm] Update xulrunner and qtmozembed version requirements. Contributes to JB#31866.
[rpm] Update xulrunner and qtmozembed version requirements. Contributes to JB#31866.

sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser