Bump eslint-plugin-ember from 8.7.0 to 9.0.0 (#250)

Bumps [eslint-plugin-ember](https://github.com/ember-cli/eslint-plugin-ember) from 8.7.0 to 9.0.0.
- [Release notes](https://github.com/ember-cli/eslint-plugin-ember/releases)
- [Changelog](https://github.com/ember-cli/eslint-plugin-ember/blob/master/CHANGELOG.md)
- [Commits](ember-cli/eslint-plugin-ember@v8.7.0...v9.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -46,7 +46,7 @@
     "ember-template-lint": "^2.11.0",
     "ember-try": "^1.4.0",
     "eslint": "^7.8.0",
-    "eslint-plugin-ember": "^8.13.0",
+    "eslint-plugin-ember": "^9.0.0",
     "eslint-plugin-node": "^11.1.0",
     "highlight.js": "^9.12.0",
     "husky": "^4.2.1",

yarn.lock

@@ -5400,10 +5400,10 @@ escodegen@^1.11.0, escodegen@^1.14.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-eslint-plugin-ember@^8.13.0:
-  version "8.14.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-8.14.0.tgz#fc4c5119b5a1c87604a7bf920ca397783b96b7be"
-  integrity sha512-PQhR58omMAZzcJOB8GLWzL6l/vjRZ2Uo1eohxOmgPUyeBkHfZAMlvK+OSeneMLIr4azLQ4GISkklwv6lxb8qnw==
+eslint-plugin-ember@^9.0.0:
+  version "9.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-9.0.0.tgz#34a86a31d12bded00f5967b43a54eeb548329dc3"
+  integrity sha512-P83EWqBos5FKQcTJDStWHwb1jfj5Xsrfq5rSB3r1P7dgcm3yTVyEXiTVgq0lBvNWN8vHGlQ6SfnUx8VjHgAxYA==
   dependencies:
     "@ember-data/rfc395-data" "^0.0.4"
     ember-rfc176-data "^0.3.15"