fix: upgrade ethers to allow constructing transaction data compatible with eip-1559 (#2121)

* fix: upgrade ethers to allow constructing transaction data compatible with eip-1559

* bump the experimental provider

package.json

@@ -4,7 +4,7 @@
   "homepage": ".",
   "private": true,
   "devDependencies": {
-    "@ethersproject/experimental": "^5.2.0",
+    "@ethersproject/experimental": "^5.4.0",
     "@gnosis.pm/safe-apps-web3-react": "^0.6.0",
     "@graphql-codegen/cli": "1.21.5",
     "@graphql-codegen/typescript": "1.22.3",
@@ -75,7 +75,7 @@
     "eslint-plugin-prettier": "^3.1.3",
     "eslint-plugin-react": "^7.19.0",
     "eslint-plugin-react-hooks": "^4.0.0",
-    "ethers": "^5.2.0",
+    "ethers": "^5.4.0",
     "graphql": "^15.5.0",
     "graphql-request": "^3.4.0",
     "inter-ui": "^3.13.1",