Add scrimmed background color

[jordanjones243]

Alaska Airlines Pull Request

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Resolves: #179

Summary:

Please summarize the scope of the changes you have submitted, what the intent of the work is and anything that describes the before/after state of the project.

Type of change:

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• [x] New capability
• [ ] Revision of an existing capability
• [ ] Infrastructure change (automation, etc.)
• [ ] Other (please elaborate)

Checklist:

• [x] My update follows the CONTRIBUTING guidelines of this project
• [x] I have performed a self-review of my own update

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-- Auro Design System Team

Summary by Sourcery

Add a new 'scrimmed' background color to the color configuration to enhance design options for light backgrounds.

New Features:

• Introduce a new 'scrimmed' background color option to the color configuration, intended for creating light backgrounds.

[sourcery-ai[bot]]

Reviewer's Guide by Sourcery

This pull request adds a new background color option called "scrimmed" to the color palette. The change is implemented by adding a new entry to the background color definitions in the JSON file.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Addition of a new background color option	Introduced a new 'scrimmed' color option under the background colors Set the value of 'scrimmed' to '{color.base.black-500.value}' Marked the new color as public and default Added usage description: 'Used for creating light backgrounds' Set WCAG compliance to 'n/a' Marked the new color as not deprecated	src/color/background.json

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[blackfalcon]

:tada: This PR is included in version 4.10.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: