fix: package.json & package-lock.json to reduce vulnerabilities (#672)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JSONWEBTOKEN-3180020

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

package.json

@@ -96,7 +96,7 @@
     "eth-ens-namehash": "^2.0.8",
     "ethers": "^5.7.1",
     "js-sha3": "^0.8.0",
-    "jsonwebtoken": "^8.5.1",
+    "jsonwebtoken": "^9.0.0",
     "lodash.difference": "^4.5.0",
     "multiformats": "^9.6.4",
     "nats.ws": "^1.7.1",