fix(cli): avoid false positive cli upgrade suggestions

[hsheth2]

Skips yanked releases when determining the latest CLI release. This is necessary because we previously released and yanked a 15.0.4 release.

Checklist

• The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• Links to related issues (if applicable)
• Tests for the changes have been added/updated (if applicable)
• Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

✅ All tests successful. No failed tests found.

Files with missing lines	Coverage Δ
metadata-ingestion/src/datahub/upgrade/upgrade.py	62.27% <100.00%> (+0.17%)	⬆️

... and 4 files with indirect coverage changes

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