update lerna to 9.0.3 and add missing lodash dependency

Lerna 9 has stricter dependency resolution requiring each package to
explicitly declare its dependencies. Added lodash and @types/lodash
as devDependencies to the api package for websocket test mocks.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: thjaeckle

javascript/lib/api/package.json

@@ -19,9 +19,11 @@
   "devDependencies": {
     "@jest/globals": "^29.7.0",
     "@types/jest": "^29.5.14",
+    "@types/lodash": "^4.17.16",
     "@types/prettier": "<2.6.0",
     "barrelsby": "^2.1.1",
     "jest": "^30.0.0",
+    "lodash": "^4.17.21",
     "ts-jest": "^29.0.0",
     "typescript": "^5.3.0"
   },