build: update quicktype-core to 20.0.15

This commit updates `quicktype-core` to `20.0.15` and enables Renovate to update this.

Author: alan-agius4

package.json

@@ -190,7 +190,7 @@
     "prettier": "^2.0.0",
     "protractor": "~7.0.0",
     "puppeteer": "18.2.1",
-    "quicktype-core": "6.0.69",
+    "quicktype-core": "20.0.15",
     "resolve-url-loader": "5.0.0",
     "rxjs": "6.6.7",
     "sass": "1.57.1",

packages/angular/cli/lib/config/workspace-schema.json

@@ -193,9 +193,7 @@
           "$ref": "../../../../schematics/angular/web-worker/schema.json"
         }
       },
-      "additionalProperties": {
-        "type": "object"
-      }
+      "additionalProperties": true
     },
     "fileVersion": {
       "type": "integer",

renovate.json

@@ -12,7 +12,7 @@
   "dependencyDashboard": true,
   "schedule": ["after 10:00pm every weekday", "before 4:00am every weekday", "every weekend"],
   "baseBranches": ["main"],
-  "ignoreDeps": ["@types/node", "quicktype-core"],
+  "ignoreDeps": ["@types/node"],
   "includePaths": [
     "WORKSPACE",
     "package.json",