Update dependency json-refs to v3.0.15

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
json-refs	dependencies	patch	3.0.14 -> 3.0.15

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Release Notes

whitlockjc/json-refs

v3.0.15

Compare Source

• Fix a regression where a reference to the original JSON Reference defintion was not available in the resolution
  metadata (Issue #​176)

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[codecov]

Codecov Report

Merging #699 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #699   +/-   ##
=======================================
  Coverage   95.56%   95.56%           
=======================================
  Files          17       17           
  Lines         609      609           
=======================================
  Hits          582      582           
  Misses         27       27

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