Update dependency browser-env to v3.2.6

Author: renovate-bot

package-lock.json

@@ -53,7 +53,7 @@
     "@types/react-dom": "16.8.2",
     "@types/sinon": "7.0.6",
     "@typescript-eslint/eslint-plugin": "1.4.0",
-    "browser-env": "3.2.5",
+    "browser-env": "3.2.6",
     "enzyme": "3.9.0",
     "enzyme-adapter-react-16": "1.9.1",
     "enzyme-to-json": "3.3.5",