Feat/matebarabas/tag-updates

[matebarabas]

Overview/Summary

Specifcation tagging updates

This PR fixes/adds/changes/removes

1. Adding definitions for persona, lifecycle, validation and severity tags
2. Updating possible values for the validation tag

Breaking Changes

n/a

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues or ADO Work Items (Internal Only)
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Ensured PR tests are passing
• Updated relevant and associated documentation (e.g. Contribution Guide, Docs etc.)

[microsoft-github-policy-service]

Important

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Tip

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