Bump ethers from 6.8.0 to 6.8.1 in /smart_contracts

Bumps [ethers](https://github.com/ethers-io/ethers.js) from 6.8.0 to 6.8.1.
- [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@v6.8.0...v6.8.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: smart_contracts/package.json

@@ -37,7 +37,7 @@
     "@openzeppelin/contracts": "^5.0.2",
     "async-promise-pool": "^1.0.6",
     "base58-solidity": "^1.0.2",
-    "ethers": "6.8.0",
+    "ethers": "6.8.1",
     "ethr-did-registry": "^1.2.0",
     "fs-extra": "^10.0.0",
     "hardhat-gas-reporter": "^1.0.9",

Diff for: smart_contracts/yarn.lock

@@ -2875,10 +2875,10 @@ ethereumjs-util@^7.0.3, ethereumjs-util@^7.1.1, ethereumjs-util@^7.1.2, ethereum
     ethereum-cryptography "^0.1.3"
     rlp "^2.2.4"
 
-[email protected].0:
-  version "6.8.0"
-  resolved "https://registry.yarnpkg.com/ethers/-/ethers-6.8.0.tgz#0a26f57e96fd697cefcfcef464e0c325689d1daf"
-  integrity sha512-zrFbmQRlraM+cU5mE4CZTLBurZTs2gdp2ld0nG/f3ecBK+x6lZ69KSxBqZ4NjclxwfTxl5LeNufcBbMsTdY53Q==
+[email protected].1:
+  version "6.8.1"
+  resolved "https://registry.yarnpkg.com/ethers/-/ethers-6.8.1.tgz#ee2a1a39b5f62a13678f90ccd879175391d0a2b4"
+  integrity sha512-iEKm6zox5h1lDn6scuRWdIdFJUCGg3+/aQWu0F4K0GVyEZiktFkqrJbRjTn1FlYEPz7RKA707D6g5Kdk6j7Ljg==
   dependencies:
     "@adraffy/ens-normalize" "1.10.0"
     "@noble/curves" "1.2.0"