Bump @types/lodash.merge from 4.6.7 to 4.6.9

Bumps [@types/lodash.merge](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/lodash.merge) from 4.6.7 to 4.6.9.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/lodash.merge)

---
updated-dependencies:
- dependency-name: "@types/lodash.merge"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -79,7 +79,7 @@
   "dependencies": {
     "@types/body-parser": "~1.19.1",
     "@types/express": "~4.17.17",
-    "@types/lodash.merge": "4.6.7",
+    "@types/lodash.merge": "4.6.9",
     "@types/morgan": "1.9.5",
     "@types/response-time": "~2.3.5",
     "@types/xxhashjs": "0.2.2",