build(deps-dev): bump eslint from 5.12.0 to 5.12.1

Bumps [eslint](https://github.com/eslint/eslint) from 5.12.0 to 5.12.1.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v5.12.0...v5.12.1)

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

package.json

@@ -44,7 +44,7 @@
     "ember-source": "~3.7.0",
     "ember-source-channel-url": "^1.0.1",
     "ember-try": "^1.0.0",
-    "eslint": "^5.5.0",
+    "eslint": "^5.12.1",
     "eslint-config-simplabs": "^0.4.0",
     "eslint-plugin-ember": "^6.0.1",
     "eslint-plugin-qunit": "^4.0.0",

yarn.lock

@@ -3629,10 +3629,10 @@ eslint-visitor-keys@^1.0.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
   integrity sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==
 
-eslint@^5.5.0, eslint@^5.6.0:
-  version "5.12.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.12.0.tgz#fab3b908f60c52671fb14e996a450b96c743c859"
-  integrity sha512-LntwyPxtOHrsJdcSwyQKVtHofPHdv+4+mFwEe91r2V13vqpM8yLr7b1sW+Oo/yheOPkWYsYlYJCkzlFAt8KV7g==
+eslint@^5.12.1, eslint@^5.6.0:
+  version "5.12.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.12.1.tgz#5ca9931fb9029d04e7be92b03ce3b58edfac7e3b"
+  integrity sha512-54NV+JkTpTu0d8+UYSA8mMKAG4XAsaOrozA9rCW7tgneg1mevcL7wIotPC+fZ0SkWwdhNqoXoxnQCTBp7UvTsg==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     ajv "^6.5.3"