Update dependency aws-sdk to v2.520.0

package.json

@@ -25,7 +25,7 @@
     "apollo-utilities": "1.3.2",
     "aws-amplify": "1.1.36",
     "aws-amplify-react": "2.3.12",
-    "aws-sdk": "2.518.0",
+    "aws-sdk": "2.520.0",
     "baseui": "8.17.0",
     "core-js": "3.2.1",
     "country-list": "2.2.0",

yarn.lock

@@ -3616,10 +3616,10 @@ [email protected]:
     uuid "3.3.2"
     xml2js "0.4.19"
 
-aws-sdk@2.518.0:
-  version "2.518.0"
-  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.518.0.tgz#a0412cfcb41fd02e18d9e8b20c1dce356160fcc2"
-  integrity sha512-hwtKKf93TFyd3qugDW54ElpkUXhPe+ArPIHadre6IAFjCJiv08L8DaZKLRyclDnKfTavKe+f/PhdSEYo1QUHiA==
+aws-sdk@2.520.0:
+  version "2.520.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.520.0.tgz#6d3ff7784617b477f283857e49667d190d51a550"
+  integrity sha512-I0BnCLyoqJ17bW48LYMpBcyhSpMW+c+H0GPnFoB7T8Xi2uype3sNV+4qzmHMVhVYv+2Xba9CMenyiH6qeYSwvQ==
   dependencies:
     buffer "4.9.1"
     events "1.1.1"