Bump handlebars from 4.4.3 to 4.5.3

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.4.3 to 4.5.3.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/master/release-notes.md)
- [Commits](handlebars-lang/handlebars.js@v4.4.3...v4.5.3)

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

Author: dependabot[bot]

package-lock.json

@@ -31,7 +31,7 @@
         "express-handlebars": "^3.1.0",
         "faker": "^4.1.0",
         "firacode": "^1.206.0",
-        "handlebars": "^4.4.3",
+        "handlebars": "^4.5.3",
         "joi": "^14.3.1",
         "jquery": "^3.4.1",
         "jsonwebtoken": "^8.5.1",