feat(vm): add ensNamehash cheatcode (#555)

* feat(vm): add ensNamehash cheatcode

* update interface id in tests

* chore: run scripts/vm.py to organize cheats

---------

Co-authored-by: Matt Solomon <[email protected]>

Author: meetmangukiya

src/Vm.sol

@@ -9,7 +9,7 @@ contract VmTest is Test {
     // inadvertently moved between Vm and VmSafe. This test must be updated each time a function is
     // added to or removed from Vm or VmSafe.
     function test_interfaceId() public pure {
-        assertEq(type(VmSafe).interfaceId, bytes4(0xdf5d274d), "VmSafe");
+        assertEq(type(VmSafe).interfaceId, bytes4(0x536a6b28), "VmSafe");
         assertEq(type(Vm).interfaceId, bytes4(0xb91a22ba), "Vm");
     }
 }