[REVIVAL] BuildHelpers - Phase 4: First clean release

[github-actions]

Reference: Playbook - Phase 4
(release steps)

Goal: a release under the PowerShellOrg banner you are proud to put your name on.

Release gate

• CHANGELOG.md covers everything since the last release
• Version bumped: patch / minor / major as the changes warrant
• CI green and PSScriptAnalyzer clean
• Manifest accurate: description, author or org, copyright, tags, URLs
• README.md current: install, working examples, badges
• Open critical bugs fixed or deferred with a written reason
• Release PR reviewed by one other maintainer (or Steward if solo)

Exit

• Release on PSGallery under PowerShellOrg
• GitHub Release with human-readable notes
• PSGallery package description says PowerShellOrg