feat: upgrade ethers from 5.7.2 to 6.13.4

Snyk has created this PR to upgrade ethers from 5.7.2 to 6.13.4.

See this package in npm:
ethers

See this project in Snyk:
https://app.snyk.io/org/lucentlabz/project/bdc4fc90-ad7b-4fd8-ba01-26a618ca2979?utm_source=github&utm_medium=referral&page=upgrade-pr

assets/erc-4973/package.json

@@ -37,7 +37,7 @@
   },
   "homepage": "https://github.com/rugpullindex/ERC4973#readme",
   "dependencies": {
-    "ethers": "5.7.2"
+    "ethers": "6.13.4"
   },
   "devDependencies": {
     "ava": "4.3.1"