fix(deps): update dependency async to v2.6.4 [security]

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "algoliasearch": "3.33.0",
-    "async": "2.6.3",
+    "async": "2.6.4",
     "babel-eslint": "8.2.6",
     "babel-loader": "8.0.6",
     "critical": "1.3.4",

yarn.lock

@@ -726,7 +726,14 @@ [email protected]:
   dependencies:
     lodash "^4.17.10"
 
-[email protected], async@^2.1.2:
+[email protected]:
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
+  dependencies:
+    lodash "^4.17.14"
+
+async@^2.1.2:
   version "2.6.3"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
   integrity sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==