Bump express-handlebars from 3.1.0 to 5.3.1

Bumps [express-handlebars](https://github.com/express-handlebars/express-handlebars) from 3.1.0 to 5.3.1.
- [Release notes](https://github.com/express-handlebars/express-handlebars/releases)
- [Changelog](https://github.com/express-handlebars/express-handlebars/blob/master/CHANGELOG.md)
- [Commits](https://github.com/express-handlebars/express-handlebars/compare/v3.1.0...v5.3.1

)

---
updated-dependencies:
- dependency-name: express-handlebars
  dependency-type: direct:production
...

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