fix: update dockerfile

lib/forge-std/package.json

@@ -1,6 +1,6 @@
 {
   "name": "forge-std",
-  "version": "1.9.5",
+  "version": "1.9.6",
   "description": "Forge Standard Library is a collection of helpful contracts and libraries for use with Forge and Foundry.",
   "homepage": "https://book.getfoundry.sh/forge/forge-std",
   "bugs": "https://github.com/foundry-rs/forge-std/issues",

lib/forge-std/src/StdUtils.sol

@@ -4,8 +4,6 @@ pragma solidity >=0.6.2 <0.9.0;
 pragma experimental ABIEncoderV2;
 
 import {IMulticall3} from "./interfaces/IMulticall3.sol";
-import {MockERC20} from "./mocks/MockERC20.sol";
-import {MockERC721} from "./mocks/MockERC721.sol";
 import {VmSafe} from "./Vm.sol";
 
 abstract contract StdUtils {
@@ -119,21 +117,6 @@ abstract contract StdUtils {
         return vm.computeCreate2Address(salt, initCodeHash);
     }
 
-    /// @dev returns an initialized mock ERC20 contract
-    function deployMockERC20(string memory name, string memory symbol, uint8 decimals)
-        internal
-        returns (MockERC20 mock)
-    {
-        mock = new MockERC20();
-        mock.initialize(name, symbol, decimals);
-    }
-
-    /// @dev returns an initialized mock ERC721 contract
-    function deployMockERC721(string memory name, string memory symbol) internal returns (MockERC721 mock) {
-        mock = new MockERC721();
-        mock.initialize(name, symbol);
-    }
-
     /// @dev returns the hash of the init code (creation code + no args) used in CREATE2 with no constructor arguments
     /// @param creationCode the creation code of a contract C, as returned by type(C).creationCode
     function hashInitCode(bytes memory creationCode) internal pure returns (bytes32) {