Reducir vulnerabilidades reportadas

Frontend Angular 4/package.json

@@ -25,7 +25,7 @@
     "@ngx-translate/http-loader": "^6.0.0",
     "codemirror": "^5.65.9",
     "core-js": "^2.4.1",
-    "d3": "^4.12.2",
+    "d3": "^7.6.1",
     "flag-icon-css": "^3.2.1",
     "font-awesome": "^4.7.0",
     "function-plot": "https://github.com/diego-rey/function-plot#feature/discontinuidades",
@@ -35,7 +35,7 @@
     "jquery": "^3.2.1",
     "lt-codemirror": "^10.0.0",
     "matefun-components": "^0.3.0",
-    "mathjs": "1.6.0",
+    "mathjs": "^11.3.3",
     "ng2-slider-component": "^1.0.9",
     "rxjs": "6.6.7",
     "tippy.js": "^1.2.0",