Bump log4js from 6.1.0 to 6.4.0 in /examples/RemoteJobs

Bumps [log4js](https://github.com/log4js-node/log4js-node) from 6.1.0 to 6.4.0.
- [Release notes](https://github.com/log4js-node/log4js-node/releases)
- [Changelog](https://github.com/log4js-node/log4js-node/blob/master/CHANGELOG.md)
- [Commits](log4js-node/log4js-node@v6.1.0...v6.4.0)

---
updated-dependencies:
- dependency-name: log4js
  dependency-type: direct:production
...

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Author: dependabot[bot]

examples/RemoteJobs/package-lock.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "@stroncium/procfs": "^1.0.0",
     "async": "^2.6.4",
-    "log4js": "^6.1.0",
+    "log4js": "^6.4.0",
     "redis": "^3.1.1"
   }
 }