Bump handlebars from 4.7.6 to 4.7.7 in /Inellipse/biu-matrix-frontend

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.7.6 to 4.7.7.
- [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@v4.7.6...v4.7.7)

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

Author: dependabot[bot]

Inellipse/biu-matrix-frontend/package-lock.json

@@ -32,7 +32,7 @@
     "cryptiles": "^4.1.3",
     "extend": "^3.0.2",
     "fstream": "^1.0.12",
-    "handlebars": "^4.7.6",
+    "handlebars": "^4.7.7",
     "hoek": "^6.1.3",
     "https-proxy-agent": "^2.2.2",
     "jquery": "^3.5.0",