dependabot: bump @zetachain/protocol-contracts

Bumps @zetachain/protocol-contracts from 4.0.1 to 9.0.0.

---
updated-dependencies:
- dependency-name: "@zetachain/protocol-contracts"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/zeta-app-contracts/package.json

@@ -37,7 +37,7 @@
   "dependencies": {
     "@openzeppelin/contracts": "^4.9.3",
     "@zetachain/networks": "^4.0.0",
-    "@zetachain/protocol-contracts": "^4.0.1",
+    "@zetachain/protocol-contracts": "^9.0.0",
     "ethers": "5.6.8"
   }
 }