Update react-test-renderer to the latest version 🚀 (#5826)

Author: greenkeeper[bot]

package.json

@@ -140,7 +140,7 @@
     "npm-run-all": "^4.0.2",
     "prettier": "^1.10.2",
     "pretty-quick": "^1.4.1",
-    "react-test-renderer": "15.6.2",
+    "react-test-renderer": "16.3.0",
     "remark-cli": "^5.0.0",
     "remark-lint": "^6.0.1",
     "remark-lint-list-item-bullet-indent": "^1.0.1",

yarn.lock

@@ -3699,7 +3699,7 @@ fbjs@^0.6.1:
     ua-parser-js "^0.7.9"
     whatwg-fetch "^0.9.0"
 
-fbjs@^0.8.16, fbjs@^0.8.9:
+fbjs@^0.8.16:
   version "0.8.16"
   resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.16.tgz#5e67432f550dc41b572bf55847b8aca64e5337db"
   dependencies:
@@ -8173,6 +8173,10 @@ react-inlinesvg@^0.8.1:
     httpplease "^0.16.4"
     once "^1.4.0"
 
+react-is@^16.3.0:
+  version "16.3.0"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.3.0.tgz#f0e8bfd8c09b480dd610b8639d9ed65c13601224"
+
 react-reconciler@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/react-reconciler/-/react-reconciler-0.7.0.tgz#9614894103e5f138deeeb5eabaf3ee80eb1d026d"
@@ -8193,12 +8197,14 @@ react-redux@^5.0.6, react-redux@^5.0.7:
     loose-envify "^1.1.0"
     prop-types "^15.6.0"
 
-react-test-renderer@15.6.2:
-  version "15.6.2"
-  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-15.6.2.tgz#d0333434fc2c438092696ca770da5ed48037efa8"
+react-test-renderer@16.3.0:
+  version "16.3.0"
+  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.3.0.tgz#7e88d8cb4c2b95c161b6c6c998991166f74d473e"
   dependencies:
-    fbjs "^0.8.9"
-    object-assign "^4.1.0"
+    fbjs "^0.8.16"
+    object-assign "^4.1.1"
+    prop-types "^15.6.0"
+    react-is "^16.3.0"
 
 react-test-renderer@^16.0.0-0:
   version "16.2.0"