Release v6.0.0

[AyushBherwani1998]

Description

• Release v0.1.5 of @metamask/create-gator-app.

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Note

Publish repo v6.0.0 and @metamask/create-gator-app v0.1.5 with template updates, Next.js security bump, and Advanced Permissions chain fix.

• Release versions
  • Bump repo version to 6.0.0 in package.json.
  • Publish @metamask/create-gator-app 0.1.5 (update in packages/create-gator-app/package.json).
• Changelog (packages/create-gator-app/CHANGELOG.md)
  • Add 0.1.5 entry:
    • Update templates to @metamask/smart-accounts-kit v0.2.0.
    • Bump Next.js to address security advisory CVE-2025-66478.
    • Fix chain issue in Advanced Permissions template.
  • Update comparison links for Unreleased and 0.1.5.

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