feat(Alert): Allow arbitrary content in Alert

[markhigham]

Related issue

3734

Overview

Changed children props of Alert component from string to ReactNode and changed container element from <p> to <div>

Reason

This allows Design System users to include arbitrary html in their alerts.

Work carried out

• [x] Update props for Alert
• [x] Added unit tests
• [x] Added storybook example

Screenshot

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[sonarcloud[bot]]

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 SonarCloud