Update color theme

[rvsia]

• because we are using a gradient, it is hard to use a color that matches our app... but still better than the previous one

Before

After

[DataDrivenFormsBot]

No new version will be released. Current: v3.15.6 [DataDrivenFormsBot]

[codecov]

Codecov Report

Merging #1167 (21dcd47) into master (872ed53) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1167   +/-   ##
=======================================
  Coverage   94.90%   94.90%           
=======================================
  Files         209      209           
  Lines        3571     3571           
  Branches     1237     1237           
=======================================
  Hits         3389     3389           
  Misses        182      182           

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[Hyperkid123]

🎉 This PR is included in version 3.15.7 🎉

The release is available on

• react-form-renderer (@latest dist-tag)

• ant-component-mapper (@latest dist-tag)

• blueprint-component-mapper (@latest dist-tag)

• carbon-component-mapper (@latest dist-tag)

• mui-component-mapper (@latest dist-tag)

• pf4-component-mapper (@latest dist-tag)

• suir-component-mapper (@latest dist-tag)

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