Bump benchmark from 1.0.0 to 2.1.4

Bumps [benchmark](https://github.com/bestiejs/benchmark.js) from 1.0.0 to 2.1.4.
- [Release notes](https://github.com/bestiejs/benchmark.js/releases)
- [Commits](https://github.com/bestiejs/benchmark.js/compare/1.0.0...2.1.4)

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

package.json

@@ -36,7 +36,7 @@
     "babel-loader": "^6.2.1",
     "babel-preset-es2015": "^6.3.13",
     "babel-preset-stage-2": "^6.3.13",
-    "benchmark": "^1.0.0",
+    "benchmark": "^2.1.4",
     "chai": "^4.2.0",
     "eslint": "^4.19.1",
     "eslint-config-airbnb-base": "^11.1.3",

yarn.lock

@@ -1002,10 +1002,13 @@ beeper@^1.0.0:
   resolved "https://registry.yarnpkg.com/beeper/-/beeper-1.1.1.tgz#e6d5ea8c5dad001304a70b22638447f69cb2f809"
   integrity sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=
 
-benchmark@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/benchmark/-/benchmark-1.0.0.tgz#2f1e2fa4c359f11122aa183082218e957e390c73"
-  integrity sha1-Lx4vpMNZ8REiqhgwgiGOlX45DHM=
+benchmark@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/benchmark/-/benchmark-2.1.4.tgz#09f3de31c916425d498cc2ee565a0ebf3c2a5629"
+  integrity sha1-CfPeMckWQl1JjMLuVloOvzwqVik=
+  dependencies:
+    lodash "^4.17.4"
+    platform "^1.3.3"
 
 better-assert@~1.0.0:
   version "1.0.2"
@@ -4894,6 +4897,11 @@ pkg-dir@^2.0.0:
   dependencies:
     find-up "^2.1.0"
 
+platform@^1.3.3:
+  version "1.3.5"
+  resolved "https://registry.yarnpkg.com/platform/-/platform-1.3.5.tgz#fb6958c696e07e2918d2eeda0f0bc9448d733444"
+  integrity sha512-TuvHS8AOIZNAlE77WUDiR4rySV/VMptyMfcfeoMgs4P8apaZM3JrnbzBiixKUv+XR6i+BXrQh8WAnjaSPFO65Q==
+
 plugin-error@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/plugin-error/-/plugin-error-1.0.1.tgz#77016bd8919d0ac377fdcdd0322328953ca5781c"