fix(cli): jwt errors

[7ttp]

TL;DR

uses the error key for JWT verification failures in the local functions worker and
regenerates the embedded Go template

Ref

• Closes Edge function JWT verification errors return { msg } instead of { error } in serve.main.ts #5861
• Related Edge Functions Test panel always shows generic error for non-platform, hiding the real failure reason supabase#47835
• Related fix(studio): surface real error message from self-hosted edge function test supabase#47836

[github-actions]

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[7ttp]

@codex review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. Keep them coming!

Reviewed commit: 3da2ad9d1c

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[7ttp]

👋 Thanks! The linked issue hasn't been marked open-for-contribution yet, so this pull request is being closed automatically.

A maintainer adds that label once an issue is triaged and ready to be worked on. Please wait for the label before opening a pull request. See CONTRIBUTING.md for the full workflow. Once a maintainer adds the open-for-contribution label to a linked open issue, reopen or open a new pull request and it will be accepted.

imo this shouldn't really happen for the members ? 😅

thoughts @avallete @jgoux ?