Draft: Generic package repository semver

What does this MR do?

Fixes #273034 (closed)

Uses the existing semver regex that exists.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

Updated test cases for this. Also added a bunch from semver.org - may not want them all (remove the latter of 2 commits)