fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JQUERY-565129

package-lock.json

@@ -2451,7 +2451,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2816,7 +2817,8 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2864,6 +2866,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2902,11 +2905,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
     },
@@ -3535,9 +3540,9 @@
       "integrity": "sha1-LpOUYgAKtjL/egoxIbrtSM1ESuk="
     },
     "jquery": {
-      "version": "2.2.4",
+      "version": "3.5.0",
-      "resolved": "https://registry.npmjs.org/jquery/-/jquery-2.2.4.tgz",
+      "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.5.0.tgz",
-      "integrity": "sha1-LInWiJterFIqfuoywUUhVZxsvwI="
+      "integrity": "sha512-Xb7SVYMvygPxbFMpTFQiHh1J7HClEaThguL15N/Gg37Lri/qKyhRGZYzHRyLH8Stq3Aow0LsHO2O2ci86fCrNQ=="
     },
     "js-tokens": {
       "version": "3.0.2",

package.json

@@ -47,7 +47,7 @@
     "howler": "~1.1.28",
     "javascript-brunch": ">= 1.0 < 1.8",
     "javascript-state-machine": "~2.3.5",
-    "jquery": "~2.2.0",
+    "jquery": "~3.5.0",
     "lodash": "~4.17.5",
     "moment": "~2.11.2",
     "mongoose": "~4.4.6",