chore: Changes the no-literal-colors lint rule to throw errors instead of warnings

[michael-s-molina]

SUMMARY

Changes the no-literal-colors lint rule to throw errors instead of warnings.

The following PRs removed the hard-coded colors from the codebase allowing this rule to be changed: #20006, #20016, #19923, #19493, #19466, #19443, #19439

TESTING INSTRUCTIONS

Check that there are no literal color lint-related errors.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[kgabryje]

Lgtm

[codecov]

Codecov Report

Merging #20034 (af93975) into master (c4c714f) will not change coverage.
The diff coverage is n/a.

❗ Current head af93975 differs from pull request most recent head 6150cc3. Consider uploading reports for the commit 6150cc3 to get more accurate results

@@           Coverage Diff           @@
##           master   #20034   +/-   ##
=======================================
  Coverage   66.35%   66.35%           
=======================================
  Files        1712     1712           
  Lines       64083    64083           
  Branches     6744     6744           
=======================================
  Hits        42523    42523           
  Misses      19847    19847           
  Partials     1713     1713           

Flag	Coverage Δ
javascript	51.31% <ø> (ø)

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