Bump secp256k1 from 4.0.3 to 5.0.0 in /network/tools

Bumps [secp256k1](https://github.com/cryptocoinjs/secp256k1-node) from 4.0.3 to 5.0.0.
- [Release notes](https://github.com/cryptocoinjs/secp256k1-node/releases)
- [Commits](cryptocoinjs/secp256k1-node@v4.0.3...v5.0.0)

---
updated-dependencies:
- dependency-name: secp256k1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

network/tools/package.json

@@ -7,7 +7,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "secp256k1": "^4.0.0",
+    "secp256k1": "^5.0.0",
     "keccak": "^3.0.0",
     "ethereumjs-wallet": "^1.0.2",
     "yargs": "^17.2.1"