Bump openscap-utils verision in spec file

This bumps the required version of openscap-utils to version equal to or greater than openscap-utils version 1.0.8. Bumping the version required helps to resolve SELinux OVAL check errors while checking the device context labels.
Merge pull request #48 from redhatrises/bump_openscap-utils_version

Bump openscap-utils verision in spec file