fix: upgrade serialport from 9.0.1 to 9.0.2 (#819)

Snyk has created this PR to upgrade serialport from 9.0.1 to 9.0.2.

See this package in npm:
https://www.npmjs.com/package/serialport

See this project in Snyk:
https://app.snyk.io/org/robertslando/project/c2f8e12f-f1fb-4fdb-b1cd-09a75db93ac6?utm_source=github&utm_medium=upgrade-pr

Co-authored-by: Chris Nesbitt-Smith <chris@cns.me.uk>

Author: snyk-bot

package-lock.json

@@ -109,7 +109,7 @@
     "nedb": "^1.8.0",
     "openzwave-shared": "^1.7.1",
     "prismjs": "^1.22.0",
-    "serialport": "^9.0.1",
+    "serialport": "^9.0.2",
     "serve-favicon": "^2.5.0",
     "socket.io": "^2.3.0",
     "socket.io-client": "^2.3.1",