design(tagline): final design review for Tagline component (#218)

Resolves #205 

# Final Design Review of Tagline Component
![Screenshot 2023-10-26 at 9 48 38 AM](https://github.com/cfpb/design-system-react/assets/19983248/68841dad-cacc-43ff-ad15-a0ac1f337da5)
[Link to Tagline Component in this PR](https://deploy-preview-218--cfpb-design-system-react.netlify.app/?path=/docs/components-verified-taglines--overview)

Previous work on component: #207

Author: billhimmelsbach

src/components/Tagline/Tagline.stories.tsx

@@ -2,16 +2,16 @@ import type { Meta, StoryObj } from '@storybook/react';
 import { Tagline } from '~/src/index';
 
 const meta: Meta<typeof Tagline> = {
-  title: 'Components (Draft)/Taglines',
+  title: 'Components (Verified)/Taglines',
   component: Tagline,
   parameters: {
     docs: {
       description: {
         component: `
 
-Taglines are short paragraphs of text with a USA flag to their left.
+Taglines are short paragraphs of text with the USA flag to their left that are used in the header and footer across consumerfinance.gov.
 
-Source: https://cfpb.github.io/design-system/patterns/taglines
+Source: https://cfpb.github.io/design-system/components/taglines
 `
       }
     }