fix(deps): update dependency deepmerge to v2 (#324)

Author: renovate[bot]

docs/algolia-frontend-components/package.json

@@ -19,7 +19,7 @@
     "babel-preset-env": "^1.1.9",
     "babel-preset-es2015": "^6.22.0",
     "chalk": "^2.0.0",
-    "deepmerge": "^1.3.2",
+    "deepmerge": "^2.0.0",
     "glob": "^7.1.1",
     "node-sass": "^4.5.0",
     "path": "^0.12.7",