feat: s2 static point styles

[madelineluke]

You can view these changes by pulling down the branch and running the following:
yarn && yarn build:s2 && yarn storybook:s2

Description

Update styles for static points in s2.

Related Issue

Motivation and Context

Match styles to s2 designs.

How Has This Been Tested?

Storybook

Screenshots (if appropriate):

Types of changes

• 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 change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

🎨 Storybook -> https://opensource.adobe.com/react-spectrum-charts/PR-730

📚 Docs -> https://opensource.adobe.com/react-spectrum-charts/PR-730-docs/