Update angular version

package-lock.json

@@ -10949,9 +10949,9 @@
       }
     },
     "rxjs": {
-      "version": "6.3.3",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.3.3.tgz",
-      "integrity": "sha512-JTWmoY9tWCs7zvIk/CvRjhjGaOd+OVBM987mxFo+OW66cGpdKjZcpmc74ES1sB//7Kl/PAe8+wEakuhG4pcgOw==",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.4.tgz",
+      "integrity": "sha512-naMQXcgEo3csAEGvw/NydRA0fuS2nDZJiw1YUWFKU7aPPAPGZEsD4Iimit96qwCieH6y614MCLYwdkrWx7z/7Q==",
       "requires": {
         "tslib": "^1.9.0"
       }

package.json

@@ -38,7 +38,7 @@
     "ngx-lightbox": "^2.1.1",
     "ngx-socket-io": "^2.1.1",
     "node-sass": "^4.13.1",
-    "rxjs": "~6.3.3",
+    "rxjs": "~6.5.4",
     "ts-md5": "^1.2.7",
     "zone.js": "^0.8.29"
   },