Update danger color

[homing1]

Link: preview

This PR updates the danger semantic color to match Fluent 2 on light theme.

Testing

1. Visit the following pages to review the affected colors, should still work on dark and high contrast theme. Compare with https://react.fluentui.dev/ . Also compare with https://design.learn.microsoft.com/ for the current Atlas colors.

• Color | Atlas Design | Microsoft
• Badge | Atlas Design | Microsoft
• Button | Atlas Design | Microsoft
• Checkbox | Atlas Design | Microsoft
• Form | Atlas Design | Microsoft
  • submit a form to generate validation error
  • Color change also affects asterisk/required indicator color
• Help | Atlas Design | Microsoft
• Input | Atlas Design | Microsoft
• Notification | Atlas Design | Microsoft
  • https://react.fluentui.dev/?path=/docs/components-messagebar--docs
• Progress Bar | Atlas Design | Microsoft
• Select | Atlas Design | Microsoft
• Text Area | Atlas Design | Microsoft

Additional information

[Optional]

Contributor checklist

• Did you update the description of this pull request with a review link and test steps?
• Did you submit a changeset? Changesets are required for all code changes.
• Does your pull request implement complex UI logic (js/ts)? Consider adding an integration test to test your user flow.
• Does your pull request add a new page to the documentation site? Add your new page for automated accessibility testing in /integration/tests/accessibility.
• Does your pull request change any transforms? Did you test they work on right to left?

[changeset-bot]

🦋 Changeset detected

Latest commit: db6e87f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@microsoft/atlas-css	Minor

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