Update gribi version to v1.8.1 in go.mod

go.mod

@@ -1,6 +1,6 @@
 module github.com/openconfig/gribigo
 
-go 1.21
+go 1.22
 
 toolchain go1.22.4
 
@@ -10,14 +10,14 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/openconfig/gnmi v0.11.0
 	github.com/openconfig/goyang v1.4.5
-	github.com/openconfig/gribi v1.8.0
+	github.com/openconfig/gribi v1.8.1
 	github.com/openconfig/lemming v0.4.1-0.20240731191322-a759a5e931a6
 	github.com/openconfig/testt v0.0.0-20220311054427-efbb1a32ec07
 	github.com/openconfig/ygot v0.29.20
 	go.uber.org/atomic v1.10.0
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117
-	google.golang.org/grpc v1.64.1
-	google.golang.org/protobuf v1.34.1
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576
+	google.golang.org/grpc v1.68.1
+	google.golang.org/protobuf v1.35.2
 	lukechampine.com/uint128 v1.3.0
 )
 
@@ -63,10 +63,10 @@ require (
 	github.com/vishvananda/netns v0.0.4 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20240604190554-fc45aab8b7f8 // indirect
-	golang.org/x/net v0.26.0 // indirect
-	golang.org/x/sync v0.7.0 // indirect
-	golang.org/x/sys v0.21.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/net v0.32.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	k8s.io/klog/v2 v2.120.1 // indirect