fix: memory leak zod openapi

[thibaultleouay]

The author should do the following, if applicable

It fixes : #1703 1703

• Add tests
• Run tests
• yarn changeset at the top of this repo and push the changeset
• Follow the contribution guide

[changeset-bot]

🦋 Changeset detected

Latest commit: d8b6b06

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@hono/zod-openapi	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[codecov]

Codecov Report

❌ Patch coverage is 91.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 92.10%. Comparing base (16a83af) to head (d8b6b06).

Files with missing lines	Patch %	Lines
packages/zod-openapi/src/index.ts	91.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1704      +/-   ##
==========================================
- Coverage   92.10%   92.10%   -0.01%     
==========================================
  Files         111      111              
  Lines        3674     3686      +12     
  Branches      958      964       +6     
==========================================
+ Hits         3384     3395      +11     
- Misses        255      256       +1     
  Partials       35       35              

Flag	Coverage Δ
zod-openapi	93.71% <91.66%> (-0.17%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ 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.