fix: upgrade libxmljs2 from 0.30.1 to 0.35.0

Snyk has created this PR to upgrade libxmljs2 from 0.30.1 to 0.35.0.

See this package in npm:
libxmljs2

See this project in Snyk:
https://app.snyk.io/org/manishchh/project/7ef9e226-bd47-44e6-8a6a-fffe16b94c30?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -156,7 +156,7 @@
     "jsonwebtoken": "0.4.0",
     "jssha": "^3.1.1",
     "juicy-chat-bot": "~0.6.5",
-    "libxmljs2": "^0.30.1",
+    "libxmljs2": "^0.35.0",
     "marsdb": "^0.6.11",
     "morgan": "^1.10.0",
     "multer": "^1.4.2",