fix: upgrade moment from 2.29.1 to 2.30.1

Snyk has created this PR to upgrade moment from 2.29.1 to 2.30.1.

See this package in npm:
moment

See this project in Snyk:
https://app.snyk.io/org/kraus.martina.m/project/ce14aac8-1d61-4ea6-a834-54a1ae036ee8?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -24,7 +24,7 @@
     "i18next": "^10.0.1",
     "jquery": "^3.4.1",
     "material-design-icons": "^3.0.1",
-    "moment": "^2.19.3",
+    "moment": "^2.30.1",
     "ng-i18next": "^1.0.5",
     "proptypes": "^1.1.0",
     "regression": "^2.0.0",