Bump eslint-plugin-ember from 7.11.1 to 8.1.1

Bumps [eslint-plugin-ember](https://github.com/ember-cli/eslint-plugin-ember) from 7.11.1 to 8.1.1.
- [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@v7.11.1...v8.1.1)

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

package.json

@@ -97,7 +97,7 @@
     "ember-source-channel-url": "^2.0.1",
     "ember-svg-jar": "^2.2.3",
     "ember-try": "^1.4.0",
-    "eslint-plugin-ember": "^7.11.0",
+    "eslint-plugin-ember": "^8.1.1",
     "eslint-plugin-node": "^11.0.0",
     "loader.js": "^4.7.0",
     "qunit-dom": "^1.0.0",

yarn.lock

@@ -6673,10 +6673,10 @@ escodegen@^1.11.0, escodegen@^1.11.1:
   optionalDependencies:
     source-map "~0.6.1"
 
-eslint-plugin-ember@^7.11.0:
-  version "7.11.1"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-7.11.1.tgz#d0f0205eab605d5fddaeb706ec6f73b3a71bb971"
-  integrity sha512-BebVe2jXos+nAU6ptdhxAVFqX6y7ZITjpDS+FhKD33FxtPPzNghJIqg/Yc2NwKCjetrW5zmfHXkIODtq49M1Sg==
+eslint-plugin-ember@^8.1.1:
+  version "8.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-ember/-/eslint-plugin-ember-8.1.1.tgz#c00aa09b5be5d588bd69084368273d4e3cc9770f"
+  integrity sha512-KfjT1LToDx5Pc/XBsqP7sYHGeVwtHHJaoxlkyUPcoi+7K8w8kgDUSE9XRVe3zpTzrI6xa3x9Tr8808xQWiO+9A==
   dependencies:
     "@ember-data/rfc395-data" "^0.0.4"
     ember-rfc176-data "^0.3.12"