fix: listen on 0.0.0.0

[joshunrau]

unlike Express, Fastify listens only on localhost by default

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (f462a96) to head (2a09d0b).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #67   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           65        65           
  Lines         1740      1740           
  Branches       327       327           
=========================================
  Hits          1740      1740           

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[github-actions]

🎉 This PR is included in version 8.0.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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