Bump @braintree/sanitize-url and mermaid

Bumps [@braintree/sanitize-url](https://github.com/braintree/sanitize-url) to 6.0.2 and updates ancestor dependency [mermaid](https://github.com/mermaid-js/mermaid). These dependencies need to be updated together.


Updates `@braintree/sanitize-url` from 3.1.0 to 6.0.2
- [Release notes](https://github.com/braintree/sanitize-url/releases)
- [Changelog](https://github.com/braintree/sanitize-url/blob/main/CHANGELOG.md)
- [Commits](braintree/sanitize-url@v3.1.0...v6.0.2)

Updates `mermaid` from 8.4.8 to 9.3.0
- [Release notes](https://github.com/mermaid-js/mermaid/releases)
- [Changelog](https://github.com/mermaid-js/mermaid/blob/develop/CHANGELOG.md)
- [Commits](mermaid-js/mermaid@8.4.8...v9.3.0)

---
updated-dependencies:
- dependency-name: "@braintree/sanitize-url"
  dependency-type: indirect
- dependency-name: mermaid
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]