Bump ethers from 5.7.2 to 6.13.4

Bumps [ethers](https://github.com/ethers-io/ethers.js) from 5.7.2 to 6.13.4.
- [Release notes](https://github.com/ethers-io/ethers.js/releases)
- [Changelog](https://github.com/ethers-io/ethers.js/blob/main/CHANGELOG.md)
- [Commits](ethers-io/ethers.js@v5.7.2...v6.13.4)

---
updated-dependencies:
- dependency-name: ethers
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "concurrently": "^7.6.0",
     "elliptic": "^6.5.5",
-    "ethers": "^5.7.2",
+    "ethers": "^6.13.4",
     "rimraf": "^4.1.1",
     "serverless": "^3.34.0"
   },