Bump dependencies to Kubernetes 1.20

vendor/google.golang.org/grpc/grpclog/loggerv2.go

@@ -67,6 +67,9 @@ type LoggerV2 interface {
 // SetLoggerV2 sets logger that is used in grpc to a V2 logger.
 // Not mutex-protected, should be called before any gRPC functions.
 func SetLoggerV2(l LoggerV2) {
+	if _, ok := l.(*componentData); ok {
+		panic("cannot use component logger as grpclog logger")
+	}
 	grpclog.Logger = l
 	grpclog.DepthLogger, _ = l.(grpclog.DepthLoggerV2)
 }
@@ -201,8 +204,12 @@ func (g *loggerT) V(l int) bool {
 // DepthLoggerV2, the below functions will be called with the appropriate stack
 // depth set for trivial functions the logger may ignore.
 //
-// This API is EXPERIMENTAL.
+// Experimental
+//
+// Notice: This type is EXPERIMENTAL and may be changed or removed in a
+// later release.
 type DepthLoggerV2 interface {
+	LoggerV2
 	// InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Print.
 	InfoDepth(depth int, args ...interface{})
 	// WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Print.