Bump express-handlebars from 4.0.2 to 5.3.1

Bumps [express-handlebars](https://github.com/express-handlebars/express-handlebars) from 4.0.2 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](express-handlebars/express-handlebars@v4.0.2...v5.3.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
     "css-modal": "^1.5.0",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
-    "express-handlebars": "^4.0.2",
+    "express-handlebars": "^5.3.1",
     "express-react-views": "^0.11.0",
     "express-session": "^1.17.1",
     "feathers-mongodb": "^6.2.0",