Update dependency browser-env to v3.3.0

Author: renovate-bot

packages/iotex-react-block-producers/package.json

@@ -85,7 +85,7 @@
     "babel-plugin-module-resolver": "3.2.0",
     "babel-plugin-react-require": "3.1.1",
     "babel-plugin-transform-class-properties": "6.24.1",
-    "browser-env": "3.2.6",
+    "browser-env": "3.3.0",
     "build-changelog": "2.1.2",
     "global": "4.3.2",
     "graphql": "14.3.1",

packages/iotex-react-footer/package.json

@@ -78,7 +78,7 @@
     "babel-plugin-module-resolver": "3.2.0",
     "babel-plugin-react-require": "3.1.1",
     "babel-plugin-transform-class-properties": "6.24.1",
-    "browser-env": "3.2.6",
+    "browser-env": "3.3.0",
     "build-changelog": "2.1.2",
     "global": "4.3.2",
     "html-webpack-plugin": "3.2.0",

packages/iotex-react-language-dropdown/package.json

@@ -81,7 +81,7 @@
     "babel-plugin-module-resolver": "3.2.0",
     "babel-plugin-react-require": "3.1.1",
     "babel-plugin-transform-class-properties": "6.24.1",
-    "browser-env": "3.2.6",
+    "browser-env": "3.3.0",
     "build-changelog": "2.1.2",
     "global": "4.3.2",
     "html-webpack-plugin": "3.2.0",