build(deps-dev): bump eslint from 5.14.1 to 5.15.0

Bumps [eslint](https://github.com/eslint/eslint) from 5.14.1 to 5.15.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v5.14.1...v5.15.0)

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

Author: dependabot-support

yarn.lock

@@ -384,9 +384,9 @@ eslint-plugin-self@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-self/-/eslint-plugin-self-1.2.0.tgz#b999cfed88b893afa6b1f7ce7037d208ede9b8ba"
 
-eslint-scope@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.0.tgz#50bf3071e9338bcdc43331794a0cb533f0136172"
+eslint-scope@^4.0.0, eslint-scope@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.2.tgz#5f10cd6cabb1965bf479fa65745673439e21cb0e"
   dependencies:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
@@ -400,16 +400,16 @@ eslint-visitor-keys@^1.0.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
 eslint@^5.6.0:
-  version "5.14.1"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.14.1.tgz#490a28906be313685c55ccd43a39e8d22efc04ba"
+  version "5.15.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.15.0.tgz#f313a2f7c7628d39adeefdba4a9c41f842012c9e"
   dependencies:
     "@babel/code-frame" "^7.0.0"
     ajv "^6.9.1"
     chalk "^2.1.0"
     cross-spawn "^6.0.5"
     debug "^4.0.1"
     doctrine "^3.0.0"
-    eslint-scope "^4.0.0"
+    eslint-scope "^4.0.2"
     eslint-utils "^1.3.1"
     eslint-visitor-keys "^1.0.0"
     espree "^5.0.1"