fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/npm:ua-parser-js:20180227

Latest report for vpdb/server:
https://snyk.io/test/github/vpdb/server

Author: snyk-bot

package.json

@@ -86,7 +86,7 @@
 		"shortid32": "0.1.1",
 		"sqreen": "^1.17.1",
 		"three": "0.92.0",
-		"ua-parser-js": "0.7.17",
+		"ua-parser-js": "0.7.18",
 		"uglify-js": "3.3.21",
 		"unrar": "0.1.7",
 		"unzip": "0.1.11",