build(deps): bump dompurify

Bumps [dompurify](https://github.com/cure53/DOMPurify) from 2.4.7 to 3.0.8.
- [Release notes](https://github.com/cure53/DOMPurify/releases)
- [Commits](cure53/DOMPurify@2.4.7...3.0.8)

---
updated-dependencies:
- dependency-name: dompurify
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

superset-frontend/plugins/legacy-preset-chart-nvd3/package.json

@@ -32,7 +32,7 @@
     "@data-ui/xy-chart": "^0.0.84",
     "d3": "^3.5.17",
     "d3-tip": "^0.9.1",
-    "dompurify": "^2.0.6",
+    "dompurify": "^3.0.8",
     "fast-safe-stringify": "^2.1.1",
     "lodash": "^4.17.21",
     "moment": "^2.30.1",