Manually update mongoose version (#564)

Author: starwarfan

source/agent/conference/package.json

@@ -6,7 +6,7 @@
     "log4js": "^1.1.1",
     "node-getopt": "*",
     "toml": "*",
-    "mongoose": "^4.13.6",
+    "mongoose": "^5.9.6",
     "fraction.js": "^4.0.12"
   },
   "devDependencies": {

source/portal/package.json

@@ -8,7 +8,7 @@
     "toml": "*",
     "sprintf-js": "^1.0.3",
     "ajv": "^5.2.2",
-    "mongoose": "^4.13.6",
+    "mongoose": "^5.9.6",
     "fraction.js": "^4.0.12"
   },
   "devDependencies": {

source/sip_portal/package.json

@@ -5,7 +5,7 @@
     "amqp": "*",
     "log4js": "^1.1.1",
     "toml": "*",
-    "mongoose": "^4.13.6",
+    "mongoose": "^5.9.6",
     "fraction.js": "*"
   },
   "bin": "sip_portal.js",