ci(release): notify workflow-registry on tag publish (G1 / workflow-registry#79)

[intel352]

Summary

• Fires a repository_dispatch event (event-type: plugin-release) to GoCodeAlone/workflow-registry on every non-prerelease tag push.
• client_payload.plugin = twilio — consumed by the registry's sync-registry-manifests.yml handler (shipped in ci(sync-registry): single-plugin sync on plugin-release dispatch (G2 / #79 Piece 2) workflow-registry#84) to update plugins/twilio/manifest.json and open a targeted sync PR in real-time.
• The if: condition gates on tag not being a pre-release (no hyphen), so v1.2.3 fires but v1.2.3-rc1 does not.
• The secrets.repo_dispatch_token is an org-level secret pre-configured for all GoCodeAlone repos.

Reference: GoCodeAlone/workflow-registry#79 (G2 dispatch handler)

🤖 Generated with Claude Code

[Copilot]

Pull request overview

Adds a post-release notification step so that publishing a stable tag in this repo triggers a registry sync workflow in GoCodeAlone/workflow-registry, enabling near-real-time updates to the Twilio plugin manifest in the registry.

Changes:

• Adds a new notify-workflow-registry job to the release workflow.
• Dispatches a repository_dispatch event (event-type: plugin-release) to GoCodeAlone/workflow-registry with {"plugin":"twilio"} payload.
• Gates the dispatch job to run only for tags without a hyphen (intended to exclude pre-release tags).

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[Copilot]

Pull request overview

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