chore(deps): update dependency ts-node to v9 (open-telemetry#1473)

Author: renovate-bot

api/packages/opentelemetry-context-base/package.json

@@ -52,7 +52,7 @@
     "nyc": "15.1.0",
     "rimraf": "3.0.2",
     "ts-mocha": "7.0.0",
-    "ts-node": "8.10.2",
+    "ts-node": "9.0.0",
     "typescript": "3.9.7"
   }
 }