[renovate] Update module github.com/openconfig/ygot to v0.31.0

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/golang/protobuf v1.5.4
 	github.com/openconfig/gnmi v0.11.0
 	github.com/openconfig/goyang v1.6.0
-	github.com/openconfig/ygot v0.29.20
+	github.com/openconfig/ygot v0.31.0
 	github.com/prometheus/procfs v0.15.1
 	github.com/shirou/gopsutil v3.21.11+incompatible
 	github.com/sirupsen/logrus v1.9.3