pin jsonschema to <4.18 in validation and test

[philvarner]

Related Issue(s):

• Don't use RefResolver #1186

Description:

PR Checklist:

• pre-commit hooks pass locally
• Tests pass (run scripts/test)
• Documentation has been updated to reflect changes, if applicable
• This PR maintains or improves overall codebase code coverage.
• Changes are added to the CHANGELOG. See the docs for information about adding to the changelog.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (4780f55) 92.01% compared to head (69ad6cb) 92.01%.

❗ Current head 69ad6cb differs from pull request most recent head e42f107. Consider uploading reports for the commit e42f107 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1192   +/-   ##
=======================================
  Coverage   92.01%   92.01%           
=======================================
  Files          51       51           
  Lines        6809     6809           
  Branches     1007     1007           
=======================================
  Hits         6265     6265           
  Misses        368      368           
  Partials      176      176           

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[jsignell]

LGTM