chore(deps-dev): bump eslint-plugin-ember from 8.8.0 to 8.9.0

Bumps [eslint-plugin-ember](https://github.com/ember-cli/eslint-plugin-ember) from 8.8.0 to 8.9.0.
- [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@v8.8.0...v8.9.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>

package.json

@@ -58,7 +58,7 @@
     "ember-template-lint": "2.8.0",
     "ember-try": "1.4.0",
     "eslint": "7.3.1",
-    "eslint-plugin-ember": "8.8.0",
+    "eslint-plugin-ember": "8.9.0",
     "eslint-plugin-import": "2.22.0",
     "eslint-plugin-node": "11.1.0",
     "eslint-plugin-prettier": "3.1.4",

yarn.lock

@@ -5860,10 +5860,10 @@ eslint-module-utils@^2.6.0:
     debug "^2.6.9"
     pkg-dir "^2.0.0"
 
-eslint-plugin-ember@8.8.0:
-  version "8.8.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-8.8.0.tgz#d3572944b1744c801d7099379cdfeaab6905a33b"
-  integrity sha512-E1qYkA+mPGVagRaCoGWonXWl6qox4VL8oHN+dCUrMyANFLNANfD0Zbt/D3aOAY2wtbwKSZtoiiNIxfoMGQzPRw==
+eslint-plugin-ember@8.9.0:
+  version "8.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-8.9.0.tgz#010f720665b00847df151d5ae64f41e4671c825a"
+  integrity sha512-wSZuQM5AkDBc/FRL7jAIMVPQxzXSMUBgzGYzxhLNc4HOSBKVu6qqh2XZg7PTUmhst39VdYjDvep9QHmeRWdLkA==
   dependencies:
     "@ember-data/rfc395-data" "^0.0.4"
     ember-rfc176-data "^0.3.13"