Update styleguide to have the on-this-page styling

Author: MinThaMie

package-lock.json

@@ -37,8 +37,6 @@
     "@percy/ember": "^3.0.1",
     "@tsconfig/ember": "^1.0.1",
     "@types/ember": "^4.0.2",
-    "@types/ember-qunit": "^5.0.2",
-    "@types/ember-resolver": "^5.0.13",
     "@types/ember__application": "^4.0.4",
     "@types/ember__array": "^4.0.3",
     "@types/ember__component": "^4.0.11",
@@ -51,13 +49,14 @@
     "@types/ember__string": "^3.0.10",
     "@types/ember__test-helpers": "^2.8.2",
     "@types/ember__utils": "^4.0.2",
+    "@types/ember-qunit": "^5.0.2",
+    "@types/ember-resolver": "^5.0.13",
     "algoliasearch": "^3.32.1",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
     "broccoli-funnel": "^2.0.1",
     "broccoli-merge-trees": "^2.0.0",
     "ember-a11y-testing": "^0.5.4",
-    "ember-anchor": "^1.0.3",
     "ember-auto-import": "1.12.0",
     "ember-cli": "~3.28.6",
     "ember-cli-app-version": "^5.0.0",
@@ -96,7 +95,7 @@
     "ember-route-action-helper": "^2.0.5",
     "ember-sinon": "^4.1.1",
     "ember-source": "~3.28.8",
-    "ember-styleguide": "^8.3.0",
+    "ember-styleguide": "^11.0.0",
     "ember-svg-jar": "^2.4.2",
     "ember-template-lint": "^3.15.0",
     "ember-test-selectors": "^6.0.0",