Bump lodash from 4.17.23 to 4.18.1 in /doc-site

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.23 to 4.18.1.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.23...4.18.1)

---
updated-dependencies:
- dependency-name: lodash
  dependency-version: 4.18.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

doc-site/package.json

@@ -48,7 +48,7 @@
   "devDependencies": {
     "@types/lodash": "4.17.20",
     "entities": "7.0.0",
-    "lodash": "4.17.23",
+    "lodash": "4.18.1",
     "ts-node": "10.9.2"
   }
 }