chore(deps): update dependency @nomicfoundation/hardhat-toolbox-viem to v4

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

bun.lock

@@ -39,7 +39,7 @@
     "@graphprotocol/graph-ts": "0.38.0",
     "@nomicfoundation/hardhat-foundry": "1.1.4",
     "@nomicfoundation/hardhat-ignition-viem": "0.15.12",
-    "@nomicfoundation/hardhat-toolbox-viem": "3.0.0",
+    "@nomicfoundation/hardhat-toolbox-viem": "4.0.0",
     "@nomiclabs/hardhat-solhint": "4.0.2",
     "@openzeppelin/contracts": "5.3.0",
     "@openzeppelin/subgraphs": "0.1.8-5",