fix building benchmarks

packages/benchmarks/package.json

@@ -31,6 +31,7 @@
     "babel-loader": "^8.0.6",
     "babel-plugin-react-native-web": "^0.11.4",
     "css-loader": "^2.1.1",
+    "merge-anything": "^2.2.5",
     "memoize-one": "^5.0.4",
     "style-loader": "^0.23.1",
     "webpack": "^4.33.0",

yarn.lock

@@ -5949,6 +5949,11 @@ is-typedarray@~1.0.0:
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
   integrity sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=
 
+is-what@^3.3.1:
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/is-what/-/is-what-3.3.1.tgz#79502181f40226e2d8c09226999db90ef7c1bcbe"
+  integrity sha512-seFn10yAXy+yJlTRO+8VfiafC+0QJanGLMPTBWLrJm/QPauuchy0UXh8B6H5o9VA8BAzk0iYievt6mNp6gfaqA==
+
 is-windows@^1.0.0, is-windows@^1.0.1, is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
@@ -7115,6 +7120,13 @@ memorystream@^0.3.1:
   resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
   integrity sha1-htcJCzDORV1j+64S3aUaR93K+bI=
 
+merge-anything@^2.2.5:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/merge-anything/-/merge-anything-2.4.1.tgz#e9bccaec1e49ec6cb5f77ca78c5770d1a35315e6"
+  integrity sha512-dYOIAl9GFCJNctSIHWOj9OJtarCjsD16P8ObCl6oxrujAG+kOvlwJuOD9/O9iYZ9aTi1RGpGTG9q9etIvuUikQ==
+  dependencies:
+    is-what "^3.3.1"
+
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"