bump ethers versions

package.json

@@ -22,11 +22,11 @@
     "prepublishOnly": "tsdx build"
   },
   "dependencies": {
-    "@ethersproject/address": "^5.0.0-beta.134",
-    "@ethersproject/contracts": "^5.0.0-beta.143",
-    "@ethersproject/networks": "^5.0.0-beta.135",
-    "@ethersproject/providers": "^5.0.0-beta.153",
-    "@ethersproject/solidity": "^5.0.0-beta.131",
+    "@ethersproject/address": "^5.0.1",
+    "@ethersproject/contracts": "^5.0.1",
+    "@ethersproject/networks": "^5.0.1",
+    "@ethersproject/providers": "^5.0.4",
+    "@ethersproject/solidity": "^5.0.1",
     "@uniswap/v2-core": "^1.0.0",
     "big.js": "^5.2.2",
     "decimal.js-light": "^2.5.0",