build(deps): [security] bump ssri from 6.0.1 to 6.0.2 in /html (#645)

build(deps): [security] bump ssri from 6.0.1 to 6.0.2 in /html (#645)

Bumps [ssri](https://github.com/npm/ssri) from 6.0.1 to 6.0.2. **This update includes a security fix.**
- [Release notes](https://github.com/npm/ssri/releases)
- [Changelog](https://github.com/npm/ssri/blob/v6.0.2/CHANGELOG.md)
- [Commits](https://github.com/npm/ssri/compare/v6.0.1...v6.0.2)

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