- add sanitation to vulnerability history comments
- add additional tests for XSS of alert and iframe
- add changelog for comment sanitization
- use comment.note_url instead of comment.note to render html
- use .md class to normalize incoming CSS
- Use v-html on note_url
- Update sanitize import to come from dompurify
- we no longer use the library `sanitize-html`, but instead use
  the library `dompurify`
- use the `sanitize` method from `dompurify` and update tests