fix(deps): update dependency @angular/core to v10 [security]

Author: renovate[bot]

docs/package.json

@@ -15,7 +15,7 @@
   "license": "MIT",
   "dependencies": {
     "@angular/compiler": "8.2.11",
-    "@angular/core": "8.2.11",
+    "@angular/core": "10.2.5",
     "codelyzer": "5.2.2",
     "codemirror": "5.59.2",
     "rxjs": "6.5.3",

package-lock.json

@@ -94,7 +94,7 @@
     "tslint": "^5.0.0 || ^6.0.0"
   },
   "dependencies": {
-    "@angular/core": "9.0.0",
+    "@angular/core": "10.2.5",
     "@angular/compiler": "9.0.0",
     "tslib": "^1.10.0",
     "zone.js": "~0.10.3",