feat(scan): support dnf modules

[kotakanbe]

What did you implement:

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/installing_managing_and_removing_user-space_components/index

vulsio/goval-dictionary#118

The schema of goval-dictionary has been changed.
Please upgrade goval-dictionary to 0.3.0 or later and re-fetch to a new database.
(No automatic migration, so use a new database.)
If vuls and goval-dictionary are old, false positives will occur on RHEL8.

models.ScanResults.EnabledDnfModules added
https://github.com/future-architect/vuls/pull/1114/files#diff-1746284de583f13f0d85cd8a94fd0633f5f5fdf9f9bb0861b1b77fd3e4384e8bR51

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

./scan, ./report

Checklist:

You don't have to satisfy all of the following.

• Write tests
• Write documentation
• Check that there aren't other open pull requests for the same issue/feature
• Format your source code by make fmt
• Pass the test by make test
• Provide verification config / commands
• Enable "Allow edits from maintainers" for this PR
• Update the messages below

Is this ready for review?: YES