Support order_by using semver in ReleaseFinder
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1) [Release badge](https://docs.gitlab.com/ee/ci/pipelines/settings.html#latest-release-badge) current implementation supports only `order_by=released_at`.
2) [Permanent link to latest release](https://gitlab.com/gitlab-org/gitlab/-/issues/16821) supports only `order_by=released_at`.
Add support for `order_by=semver` in the url parameter user input for both these features by extending [`ReleaseFinder`](https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/finders/releases_finder.rb#L13) to support `order_by=semver`.
More details in
1) https://gitlab.com/gitlab-org/gitlab/-/merge_requests/80060#note_834056689
2) https://gitlab.com/gitlab-org/gitlab/-/merge_requests/78679
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