Stick with SemVer

[debuglevel]

Would be nice if Greenlight would use semantic versioning: https://semver.org/ e.g.:

• 3.2.0 -> 3.2.1 if a bug was fixed (even if it is a hotfix)
• 3.2.1 -> 3.3.0 if a feature was added

This would make it easier to understand why a new version was released.

[farhatahmad]

Done -https://github.com/bigbluebutton/greenlight/releases/tag/release-3.2.2