chore(deps): bump lodash

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:production
...

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

Author: dependabot[bot]

digitransit-search-util/packages/digitransit-search-util-helpers/package.json

@@ -22,6 +22,6 @@
   "license": "(AGPL-3.0 OR EUPL-1.2)",
   "dependencies": {
     "@digitransit-search-util/digitransit-search-util-is-duplicate": "2.1.0",
-    "lodash": "4.17.23"
+    "lodash": "4.18.1"
   }
 }