[chore]: Bump go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc

Bumps [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc](https://github.com/open-telemetry/opentelemetry-go) from 1.34.0 to 1.35.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.34.0...v1.35.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/handler.go

@@ -196,7 +196,7 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 		return
 	}
 
-	if !doForwardTrailers {
+	if !doForwardTrailers && mux.writeContentLength {
 		w.Header().Set("Content-Length", strconv.Itoa(len(buf)))
 	}
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/mux.go

@@ -71,6 +71,7 @@ type ServeMux struct {
 	routingErrorHandler       RoutingErrorHandlerFunc
 	disablePathLengthFallback bool
 	unescapingMode            UnescapingMode
+	writeContentLength        bool
 }
 
 // ServeMuxOption is an option that can be given to a ServeMux on construction.
@@ -258,6 +259,13 @@ func WithDisablePathLengthFallback() ServeMuxOption {
 	}
 }
 
+// WithWriteContentLength returns a ServeMuxOption to enable writing content length on non-streaming responses
+func WithWriteContentLength() ServeMuxOption {
+	return func(serveMux *ServeMux) {
+		serveMux.writeContentLength = true
+	}
+}
+
 // WithHealthEndpointAt returns a ServeMuxOption that will add an endpoint to the created ServeMux at the path specified by endpointPath.
 // When called the handler will forward the request to the upstream grpc service health check (defined in the
 // gRPC Health Checking Protocol).

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/query.go

@@ -126,6 +126,15 @@ func populateFieldValueFromPath(msgValue protoreflect.Message, fieldPath []strin
 			}
 		}
 
+		// Check if oneof already set
+		if of := fieldDescriptor.ContainingOneof(); of != nil && !of.IsSynthetic() {
+			if f := msgValue.WhichOneof(of); f != nil {
+				if fieldDescriptor.Message() == nil || fieldDescriptor.FullName() != f.FullName() {
+					return fmt.Errorf("field already set for oneof %q", of.FullName().Name())
+				}
+			}
+		}
+
 		// If this is the last element, we're done
 		if i == len(fieldPath)-1 {
 			break
@@ -140,13 +149,6 @@ func populateFieldValueFromPath(msgValue protoreflect.Message, fieldPath []strin
 		msgValue = msgValue.Mutable(fieldDescriptor).Message()
 	}
 
-	// Check if oneof already set
-	if of := fieldDescriptor.ContainingOneof(); of != nil && !of.IsSynthetic() {
-		if f := msgValue.WhichOneof(of); f != nil {
-			return fmt.Errorf("field already set for oneof %q", of.FullName().Name())
-		}
-	}
-
 	switch {
 	case fieldDescriptor.IsList():
 		return populateRepeatedField(fieldDescriptor, msgValue.Mutable(fieldDescriptor).List(), values)