style(pds-chip): update default chip padding

[pixelflips]

Description

Updates the default chip component horizontal padding from 12px to 8px to align with updated Figma designs.

Fixes UX-43

Type of change

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• unit tests
• e2e tests
• accessibility tests
• tested manually
• other:

Test Configuration:

• Pine versions: 3.14.1
• OS: macOS
• Browsers: Chrome
• Screen readers:
• Misc:

Checklist:

• 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

[netlify]

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[pixelflips]

@amylu555 you can use the Deploy Preview in the netlify comment above to see the updates.

[amylu555]

Looks good to me! Thanks Phillip!