[Pre537] Automate unaffected_versions conversion from GHSA to ruby-advisory-db

[jasnow]

Automate unaffected_versions conversion from GHSA to ruby-advisory-db

[jasnow]

patched_versions and unaffected_versions Use Cases for Testing:

• https://gist.github.com/jasnow/7c99f4d9e8b838293ba407af373141af

(Raw) unaffected_versions Use Cases for Testing:

• https://gist.github.com/jasnow/c075a3ecbabed38640b93a171b5700bf

[jasnow]

Please review Roadmap above for missing unaffected_versions variables.

Is this true?

• FYI: The only style rules regarding unaffected_versions field is be [double] quoted (CONTRIBUTING.md) and pass "rake" linting check.
  • FYI: I checked "~<" is not valid.

[postmodern]

Closed by PR #676.