Update dependency @api3/contracts to v30

Author: renovate[bot]

package.json

@@ -42,7 +42,7 @@
     "test": "hardhat test --parallel"
   },
   "devDependencies": {
-    "@api3/contracts": "^29.0.0",
+    "@api3/contracts": "^30.0.0",
     "@api3/eslint-plugin-commons": "^3.0.0",
     "@api3/promise-utils": "^0.4.0",
     "@eslint/js": "^9.36.0",