Parse Repository URLs with Addressable instead of URI

Rubén Dávilarequested to merge
issue_support_667 into master

Addressable is more modern than URI and supports scp-like URLs which are common when referencing Git repositories.

REF: https://gitlab.com/gitlab-com/support-forum/issues/667 Sentry: https://sentry.gitlap.com/gitlab/gitlabcom/issues/4324

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