chore(main): release 6.0.0

[nodejs-github-bot]

🤖 I have created a release beep boop

6.0.0 (2025-11-15)

⚠ BREAKING CHANGES

• drop Node.js 18.x from supported engines (#988)

Features

• git-node: enhance remote configuration error message (#965) (ea17768)
• git-node: verify tag with official keyring (#989) (48a418b)
• ncu-config: add support for partially encrypted config files (#1004) (7342aff)

Bug Fixes

• git-node: clarify remote configuration error message (#1001) (8746db3)
• git-node: include full URL in suggested gh command (#1002) (caee3c5)
• remove stack traces from non-debug output (#990) (687217f)
• spawning of gpg to read config (#991) (100c694)

Miscellaneous Chores

• drop Node.js 18.x from supported engines (#988) (f8371dd)

---

This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.65%. Comparing base (7342aff) to head (e61ddba).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #992   +/-   ##
=======================================
  Coverage   80.65%   80.65%           
=======================================
  Files          39       39           
  Lines        4746     4746           
=======================================
  Hits         3828     3828           
  Misses        918      918           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[aduh95]

This shouldn't land without #1006