Upgrade Karma version to latest version

package-lock.json

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           "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
@@ -3370,6 +3348,12 @@
         }
       }
     },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "dev": true
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -3444,21 +3428,13 @@
       "dev": true
     },
     "useragent": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.2.1.tgz",
-      "integrity": "sha1-z1k+9PLRdYdei7ZY6pLhik/QbY4=",
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/useragent/-/useragent-2.3.0.tgz",
+      "integrity": "sha512-4AoH4pxuSvHCjqLO04sU6U/uE65BYza8l/KKBS0b0hnUPWi+cQ2BpeTEwejCSx9SPV5/U03nniDTrWx5NrmKdw==",
       "dev": true,
       "requires": {
-        "lru-cache": "2.2.x",
+        "lru-cache": "4.1.x",
         "tmp": "0.0.x"
-      },
-      "dependencies": {
-        "lru-cache": {
-          "version": "2.2.4",
-          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.2.4.tgz",
-          "integrity": "sha1-bGWGGb7PFAMdDQtZSxYELOTcBj0=",
-          "dev": true
-        }
       }
     },
     "util-deprecate": {

package.json

@@ -11,7 +11,7 @@
   "devDependencies": {
     "bower": "^1.3.1",
     "civicrm-cv": "^0.1.2",
-    "karma": "^3.1.1",
+    "karma": "^4.0.1",
     "karma-ng-html2js-preprocessor": "^1.0.0",
     "karma-phantomjs-launcher": "^1.0.4",
     "jasmine-core": "~3.3.0",