bump ethers version (#623)

package.json

@@ -17,7 +17,7 @@
     "@web3-react/walletlink-connector": "^6.0.2",
     "copy-to-clipboard": "^3.2.0",
     "escape-string-regexp": "^2.0.0",
-    "ethers": "^4.0.36",
+    "ethers": "^4.0.44",
     "history": "^4.9.0",
     "i18next": "^15.0.9",
     "i18next-browser-languagedetector": "^3.0.1",

yarn.lock

@@ -6275,7 +6275,7 @@ ethers@4.0.0-beta.3:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
-ethers@^4.0.28, ethers@^4.0.36, ethers@~4.0.4:
+ethers@^4.0.28, ethers@~4.0.4:
   version "4.0.41"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.41.tgz#a0cff526f08c2e08c525cf82ef4483f6333b8000"
   integrity sha512-QpW2CPZajquwiA7rVDozMksOuvdUBKIruamAakt0++EKBB/VWtLB9zSRZDInLDpp9fZYgOT/0trPD38r6CzLIg==
@@ -6290,6 +6290,21 @@ ethers@^4.0.28, ethers@^4.0.36, ethers@~4.0.4:
     uuid "2.0.1"
     xmlhttprequest "1.8.0"
 
+ethers@^4.0.44:
+  version "4.0.44"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.44.tgz#f2608cbc0b4d099b7e10a01c0efc3a1037013b4e"
+  integrity sha512-kCkMPkpYjBkxzqjcuYUfDY7VHDbf5EXnfRPUOazdqdf59SvXaT+w5lgauxLlk1UjxnAiNfeNS87rkIXnsTaM7Q==
+  dependencies:
+    aes-js "3.0.0"
+    bn.js "^4.4.0"
+    elliptic "6.5.2"
+    hash.js "1.1.3"
+    js-sha3 "0.5.7"
+    scrypt-js "2.0.4"
+    setimmediate "1.0.4"
+    uuid "2.0.1"
+    xmlhttprequest "1.8.0"
+
 ethjs-unit@0.1.6:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/ethjs-unit/-/ethjs-unit-0.1.6.tgz#c665921e476e87bce2a9d588a6fe0405b2c41699"