Remove newlines from JSON schema files

[courtneyholcomb]

resolves: #10455

Problem

The Artifact Schema Check in CI has been consistently failing due to a conflict between the schema generator and the pre-commit hook end-of-file-fixer. The hook adds newlines to the end of JSON files, but the schema generator expects no newlines. When the results are compared, we see a diff, resulting in a CI error.

Solution

Remove newlines from JSON schema files and exclude them from the files modified by end-of-file-fixer.

Checklist

• I have read the contributing guide and understand what's expected of me.
• I have run this code in development, and it appears to resolve the stated issue.
• This PR includes tests, or tests are not required or relevant for this PR.
• This PR has no interface changes (e.g., macros, CLI, logs, JSON artifacts, config files, adapter interface, etc.) or this PR has already received feedback and approval from Product or DX.
• This PR includes type annotations for new and modified functions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.80%. Comparing base (cab6dab) to head (8f37e19).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10486      +/-   ##
==========================================
- Coverage   88.86%   88.80%   -0.06%     
==========================================
  Files         180      180              
  Lines       22643    22643              
==========================================
- Hits        20121    20108      -13     
- Misses       2522     2535      +13     

Flag	Coverage Δ
integration	86.03% <ø> (-0.19%)	⬇️
unit	62.22% <ø> (ø)

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

Components	Coverage Δ
Unit Tests	62.22% <ø> (ø)
Integration Tests	86.03% <ø> (-0.19%)	⬇️