update dependencies (#6267)

Signed-off-by: hongming <coder.scala@gmail.com>

vendor/go.opentelemetry.io/otel/trace/noop.go

@@ -1,16 +1,5 @@
 // Copyright The OpenTelemetry Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// SPDX-License-Identifier: Apache-2.0
 
 package trace // import "go.opentelemetry.io/otel/trace"
 
@@ -52,7 +41,7 @@ func (t noopTracer) Start(ctx context.Context, name string, _ ...SpanStartOption
 	span := SpanFromContext(ctx)
 	if _, ok := span.(nonRecordingSpan); !ok {
 		// span is likely already a noopSpan, but let's be sure
-		span = noopSpan{}
+		span = noopSpanInstance
 	}
 	return ContextWithSpan(ctx, span), span
 }
@@ -60,7 +49,7 @@ func (t noopTracer) Start(ctx context.Context, name string, _ ...SpanStartOption
 // noopSpan is an implementation of Span that performs no operations.
 type noopSpan struct{ embedded.Span }
 
-var _ Span = noopSpan{}
+var noopSpanInstance Span = noopSpan{}
 
 // SpanContext returns an empty span context.
 func (noopSpan) SpanContext() SpanContext { return SpanContext{} }
@@ -86,6 +75,9 @@ func (noopSpan) RecordError(error, ...EventOption) {}
 // AddEvent does nothing.
 func (noopSpan) AddEvent(string, ...EventOption) {}
 
+// AddLink does nothing.
+func (noopSpan) AddLink(Link) {}
+
 // SetName does nothing.
 func (noopSpan) SetName(string) {}