Bump moment-timezone from 0.5.31 to 0.5.35 in /frontend

Bumps [moment-timezone](https://github.com/moment/moment-timezone) from 0.5.31 to 0.5.35.
- [Release notes](https://github.com/moment/moment-timezone/releases)
- [Changelog](https://github.com/moment/moment-timezone/blob/develop/changelog.md)
- [Commits](https://github.com/moment/moment-timezone/compare/0.5.31...0.5.35)

---
updated-dependencies:
- dependency-name: moment-timezone
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -74,7 +74,7 @@
     "lodash": "^4.17.21",
     "m-react-splitters": "^1.2.0",
     "moment": "^2.17.1",
-    "moment-timezone": "^0.5.13",
+    "moment-timezone": "^0.5.35",
     "namor": "^1.1.2",
     "node-sass": "^4.13.0",
     "pe7-icon": "^1.0.4",