fix: a couple of CI issues

core/types/block.go

@@ -309,7 +309,6 @@ func CopyHeader(h *Header) *Header {
 	}
 	if h.ExecutionWitness != nil {
 		cpy.ExecutionWitness = h.ExecutionWitness.Copy()
-
 	}
 	return &cpy
 }

core/vm/interpreter.go

@@ -179,7 +179,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) (
 			logged, pcCopy, gasCopy = false, pc, contract.Gas
 		}
 
-		if in.evm.chainRules.IsCancun && !contract.IsDeployment {
+		if in.evm.chainRules.IsPrague && !contract.IsDeployment {
 			// if the PC ends up in a new "chunk" of verkleized code, charge the
 			// associated costs.
 			contractAddr := contract.Address()