[FLORA-66] Signal deprecations and revision dates in version listing page

[tchoutri]

Proposed changes

This PR styles the version number of a deprecated version in red when it's known to be deprecated. Moreover, versions with known revisions are shown to be revised and have their revision date shown when hovering on the pen icon.

Contributor checklist

• [x] My PR is related to FLORA-66
• [x] My PR fixes #544
• [x] I have read and understood the CONTRIBUTING guide
• [x] I have inserted my change and a link to this PR in the CHANGELOG
• [ ] I have updated documentation in ./docs/docs if a public feature has a behaviour change