fix(demo): upgraded angular to v7.3.1

Author: AnthonyNahas

demo/package-lock.json

@@ -28,14 +28,14 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "7.2.3",
-    "@angular/cdk": "^7.2.1",
+    "@angular/cdk": "^7.3.1",
     "@angular/common": "7.2.3",
     "@angular/compiler": "7.2.3",
     "@angular/core": "7.2.3",
     "@angular/flex-layout": "^7.0.0-beta.23",
     "@angular/forms": "7.2.3",
     "@angular/http": "7.2.3",
-    "@angular/material": "^7.2.1",
+    "@angular/material": "^7.3.1",
     "@angular/platform-browser": "7.2.3",
     "@angular/platform-browser-dynamic": "7.2.3",
     "@angular/platform-server": "7.2.3",
@@ -45,7 +45,7 @@
     "@ngx-translate/core": "^11.0.1",
     "@ngx-translate/http-loader": "^4.0.0",
     "bootstrap": "^4.2.1",
-    "core-js": "^2.6.2",
+    "core-js": "^2.6.4",
     "font-awesome": "^4.7.0",
     "hammerjs": "^2.0.8",
     "highlight.js": "^9.13.1",
@@ -62,15 +62,15 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^0.12.1",
-    "@angular/cli": "^7.2.1",
+    "@angular/cli": "^7.3.1",
     "@angular/compiler-cli": "7.2.3",
     "@angular/language-service": "7.2.3",
     "@angularclass/hmr": "~2.1.3",
     "@nguniversal/express-engine": "^7.0.2",
     "@nguniversal/module-map-ngfactory-loader": "^7.0.2",
     "@types/jasmine": "^3.3.5",
     "@types/jasminewd2": "^2.0.6",
-    "@types/node": "^10.12.18",
+    "@types/node": "^10.12.24",
     "codelyzer": "^4.5.0",
     "express": "^4.16.4",
     "jasmine-core": "~3.3.0",
@@ -87,7 +87,7 @@
     "ts-node": "^7.0.1",
     "tslint": "~5.12.1",
     "typescript": "~3.2.2",
-    "webpack-cli": "^3.2.1",
+    "webpack-cli": "^3.2.3",
     "webpack-node-externals": "~1.7.2"
   }
 }