[Security] Bump lodash from 4.17.20 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.20 to 4.17.21. **This update includes a security fix.**
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.20...4.17.21)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -60,7 +60,7 @@
     "jquery-ui": "^1.12.1",
     "jquery-ui-dist": "^1.12.1",
     "jstimezonedetect": "^1.0.7",
-    "lodash": "^4.17.20",
+    "lodash": "^4.17.21",
     "marked": "^1.2.8",
     "moment": "^2.29.1",
     "moment-timezone": "^0.5.32",