breaking-change(ubuntu): support more versions

[MaineK00n]

What did you implement:

We will use not only major versions but also minor versions to support more detailed versions.

Type of change

• 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?

$ goval-dictionary fetch ubuntu 14.04 16.04 18.04 19.10 20.04 20.10 21.04 21.10 22.04 22.10 23.04

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

Reference