Bump express-handlebars from 5.2.0 to 5.3.1 (#17)

Bumps [express-handlebars](https://github.com/express-handlebars/express-handlebars) from 5.2.0 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](express-handlebars/express-handlebars@v5.2.0...v5.3.1)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -12,7 +12,7 @@
     "cookie-parser": "^1.4.5",
     "debug": "^4.3.1",
     "express": "^4.17.1",
-    "express-handlebars": "5.2.0",
+    "express-handlebars": "5.3.1",
     "handlebars": "^4.7.7",
     "mongoose": "^5.11.14",
     "morgan": "^1.10.0",