feat: implement fip-0029, support beneficiary

actors/builtin/methods.go

@@ -103,7 +103,9 @@ var MethodsMiner = struct {
 	PreCommitSectorBatch     abi.MethodNum
 	ProveCommitAggregate     abi.MethodNum
 	ProveReplicaUpdates      abi.MethodNum
-}{MethodConstructor, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27}
+	ChangeBeneficiary        abi.MethodNum
+	GetBeneficiary           abi.MethodNum
+}{MethodConstructor, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}
 
 var MethodsVerifiedRegistry = struct {
 	Constructor                 abi.MethodNum