fix: foundry fixes (matter-labs#1981)

# What ❔

<!-- What are the changes this PR brings about? -->
<!-- Example: This PR adds a PR template to the repo. -->
<!-- (For bigger PRs adding more context is appreciated) -->

## Why ❔

<!-- Why are these changes done? What goal do they contribute to? What
are the principles behind them? -->
<!-- Example: PR templates ensure PR reviewers, observers, and future
iterators are in context about the evolution of repos. -->

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [ ] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [ ] Tests for the changes have been added / updated.
- [ ] Documentation comments have been added / updated.

Author: zkzoomer

l1-contracts/deploy-scripts/provider/ZKSProvider.s.sol

@@ -115,8 +115,7 @@ contract ZKSProvider is Script {
         // console.log("Total batches executed", modifiedJson);
         // console.log("json2", json2);
         bytes memory res = vm.parseJson(json2, "$[0]");
-        string memory resString = abi.decode(res, (string));
-        uint256 val = vm.parseUint(resString);
+        uint256 val = abi.decode(res, (uint256));
         return val;
     }