fix: src/chains/ethereum/ethereum/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-ELLIPTIC-8187303
- https://snyk.io/vuln/SNYK-JS-ELLIPTIC-14908844

Author: snyk-bot

src/chains/ethereum/ethereum/package.json

@@ -53,9 +53,9 @@
   "dependencies": {
     "@ethereumjs/common": "3.1.1",
     "@ethereumjs/trie": "5.0.4",
-    "@ethereumjs/tx": "4.1.1",
+    "@ethereumjs/tx": "4.1.2",
     "@ethereumjs/util": "8.0.5",
-    "@ethereumjs/vm": "6.4.1",
+    "@ethereumjs/vm": "7.0.0",
     "@ganache/console.log": "0.4.0",
     "@ganache/ethereum-address": "0.8.0",
     "@ganache/ethereum-block": "0.8.0",
@@ -72,7 +72,7 @@
     "emittery": "0.10.0",
     "encoding-down": "7.1.0",
     "env-paths": "2.2.1",
-    "eth-sig-util": "2.5.3",
+    "eth-sig-util": "3.0.1",
     "ethereumjs-abi": "0.6.8",
     "leveldown": "6.1.0",
     "levelup": "5.1.1",