chore(deps): updated openapi-response-validator to ^4.0.0 (was ^3.8.2)

[mvegter]

Hi, thanks for the great package. Could the openapi-response-validator dependency be updated to the next major release range?

[codecov]

Codecov Report

Merging #78 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #78   +/-   ##
=======================================
  Coverage   95.41%   95.41%           
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  Files          33       33           
  Lines         633      633           
  Branches       51       51           
=======================================
  Hits          604      604           
  Misses         27       27           
  Partials        2        2           

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[rwalle61]

thanks for this!

Would you mind making the same change in jest-openapi's package.json please? Should be really easy https://github.com/RuntimeTools/OpenAPIValidators/blob/master/packages/jest-openapi/src/openapi-validator/package.json#L12

(Sorry, this is because we haven't worked out a great way to automatically sync openapi-validator between chai-openapi-response-validator and jest-openapi yet)

Then I can publish this change immediately, or wait if you're happy to