Bump eslint from 5.15.2 to 5.15.3 in /frontend

Bumps [eslint](https://github.com/eslint/eslint) from 5.15.2 to 5.15.3.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v5.15.2...v5.15.3)

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

Author: dependabot-support

frontend/package.json

@@ -32,7 +32,7 @@
     "@ungap/url-search-params": "^0.1.2",
     "enzyme": "^3.9.0",
     "enzyme-adapter-react-16": "^1.10.0",
-    "eslint": "^5.15.2",
+    "eslint": "^5.15.3",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-config-prettier": "^4.1.0",
     "eslint-plugin-import": "^2.16.0",

frontend/yarn.lock

@@ -3425,10 +3425,10 @@ eslint@4.10.0:
     table "^4.0.1"
     text-table "~0.2.0"
 
-eslint@^5.15.2:
-  version "5.15.2"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.15.2.tgz#0237bbb2362f89f4effef2f191eb0fea5279c0a5"
-  integrity sha512-I8VM4SILpMwUvsRt83bQVwIRQAJ2iPMXun1FVZ/lV1OHklH2tJaXqoDnNzdiFc6bnCtGKXvQIQNP3kj1eMskSw==
+eslint@^5.15.3:
+  version "5.15.3"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.15.3.tgz#c79c3909dc8a7fa3714fb340c11e30fd2526b8b5"
+  integrity sha512-vMGi0PjCHSokZxE0NLp2VneGw5sio7SSiDNgIUn2tC0XkWJRNOIoHIg3CliLVfXnJsiHxGAYrkw0PieAu8+KYQ==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     ajv "^6.9.1"