chore(deps): [security] bump lodash from 4.17.15 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.21. **This update includes security fixes.**
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.21)

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

Author: dependabot-preview[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "helmet": "3.22.0",
     "joi": "14.3.1",
     "lit-html": "1.2.1",
-    "lodash": "4.17.15",
+    "lodash": "4.17.21",
     "log-process-errors": "6.1.1",
     "lusca": "1.6.1",
     "marko": "4.21.10",