fix: package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ANGULARCORE-1070902

package.json

@@ -32,7 +32,7 @@
     "@angular/animations": "11.0.3",
     "@angular/common": "11.0.3",
     "@angular/compiler": "11.0.3",
-    "@angular/core": "11.0.3",
+    "@angular/core": "11.0.5",
     "@angular/forms": "11.0.3",
     "@angular/platform-browser": "11.0.3",
     "@angular/platform-browser-dynamic": "11.0.3",