chore: Resolve Git vulnerability

chore: Update gemspec for git

Oops, updated the gemfile but not the gemspec

chore: Dependency updates

Update project dependencies and ruby version

chore: Forte is now a signed gem

Merge pull request #13 from yock/fix-ssh-uris

fix: Allowing SSH repo URIs

chore: Moving Gem version parameter into constant

Merge pull request #12 from yock/ruby-git

refactor: Replacing system() call for Git commands with ruby-git

Merge pull request #12 from yock/ruby-git

refactor: Replacing system() call for Git commands with ruby-git