build: bump eslint from 4.18.2 to 4.19.1

yarn.lock

@@ -2462,8 +2462,8 @@ eslint-visitor-keys@^1.0.0:
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
 eslint@^4.18.2:
-  version "4.18.2"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.18.2.tgz#0f81267ad1012e7d2051e186a9004cc2267b8d45"
+  version "4.19.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -2474,7 +2474,7 @@ eslint@^4.18.2:
     doctrine "^2.1.0"
     eslint-scope "^3.7.1"
     eslint-visitor-keys "^1.0.0"
-    espree "^3.5.2"
+    espree "^3.5.4"
     esquery "^1.0.0"
     esutils "^2.0.2"
     file-entry-cache "^2.0.0"
@@ -2496,14 +2496,15 @@ eslint@^4.18.2:
     path-is-inside "^1.0.2"
     pluralize "^7.0.0"
     progress "^2.0.0"
+    regexpp "^1.0.1"
     require-uncached "^1.0.3"
     semver "^5.3.0"
     strip-ansi "^4.0.0"
     strip-json-comments "~2.0.1"
     table "4.0.2"
     text-table "~0.2.0"
 
-espree@^3.5.2:
+espree@^3.5.2, espree@^3.5.4:
   version "3.5.4"
   resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"
   dependencies:
@@ -5269,6 +5270,10 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
+regexpp@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-1.0.1.tgz#d857c3a741dce075c2848dcb019a0a975b190d43"
+
 regexpu-core@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-2.0.0.tgz#49d038837b8dcf8bfa5b9a42139938e6ea2ae240"