Update dependency justinrainbow/json-schema to ^6.12.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
justinrainbow/json-schema	^6.11.0 → ^6.12.0

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Release Notes

jsonrainbow/json-schema (justinrainbow/json-schema)

v6.12.0

Compare Source

Fixed

• Report additional property errors at the property path (#​942)
• Fix RFC 3339 date-time validation with high-precision fractional seconds (#​940)

Added

• Define minimal permissions on every workflow (#​941)
• feat: Add --allow-invalid-content-type-endpoint option to validate-json (#​932)

Changed

• fix: Avoid restricted stargazers endpoint in Welcome workflow and avoid running for bot user types (#​946)
• fix: Correct changelog and changelog updates (#​945)

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.53%. Comparing base (fe4d9c1) to head (d3b5917).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #770   +/-   ##
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  Coverage   97.53%   97.53%           
=======================================
  Files          52       52           
  Lines        4552     4552           
=======================================
  Hits         4440     4440           
  Misses        112      112           

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