refactor(component-footer): update Footer Site Name Tag from h5 to p.h5

[scott-williams-az]

Description

SEO best practice to not skip heading levels. As an example, we have pages with an H1, H2, and H3. Without an H4, the headings automatically skip a level when it has the H5 in the footer.

Solution

Swapping the <h5> footer site name with <p class="h5">

Links

• Unity reference site - component-footer
• Unity reference site - unity-bootstrap-theme
• JIRA ticket

Checklist

• [x] Unity project successfully builds from root yarn install & yarn build
• [x] Commits do not contain multiple scopes
• [x] Add/updated examples
• [x] No new console errors
• [x] Accessibility checks

Browsers

• [ ] Chrome
• [ ] Safari
• [ ] Firefox
• [ ] Edge