styles(chip): update chips to use border

[monicawheeler]

Description

To align more closely with the alert design pattern, chip now has a border. Figma file that displays necessary changes.

Fixes #(issue)
DSS-1159

Type of change

• Update background color variable
• Add border color variable
• Assign border color to all chips
• Increase dot size
• Decrease height with padding-block and padding-inline
• Adjust line-height to 20px, rather than 21px
• Removed spacing related to the close button to avoid awkward overlapping close hover state
• Font family updated to align with Design, Inter for default size chips, Greet for larger size chips

Screenshots

Before	After

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

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• unit tests
• e2e tests
• accessibility tests
• tested manually
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Test Configuration:

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Checklist:

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• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with my changes
• Design has QA'ed and approved this PR

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