util/otelutil: change uses of deprecated instrumentation.Library

While the interface's signature uses the deprecated "Library" type,
and upstream documents it as "needed for backward compatibility";
https://github.com/open-telemetry/opentelemetry-go/blob/0f7f1d0bad21aba18feaadc0171c53705fbda419/sdk/trace/span.go#L62-L65

The Library type is now an alias for Scope, so using the non-deprecated
type still satisfies the interface;
https://github.com/open-telemetry/opentelemetry-go/blob/0f7f1d0bad21aba18feaadc0171c53705fbda419/sdk/instrumentation/library.go#L6-L9

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

util/otelutil/span.go

@@ -59,8 +59,7 @@ type Span struct {
 	Resource []attribute.KeyValue
 	// InstrumentationLibrary is information about the library that produced
 	// the span
-	//nolint:staticcheck
-	InstrumentationLibrary instrumentation.Library
+	InstrumentationLibrary instrumentation.Scope
 }
 
 type Spans []Span
@@ -112,8 +111,8 @@ type spanData struct {
 	DroppedLinks      int
 	ChildSpanCount    int
 	Resource          []keyValue // change this type from the otel type to make this struct marshallable
-	//nolint:staticcheck
-	InstrumentationLibrary instrumentation.Library
+
+	InstrumentationLibrary instrumentation.Scope
 }
 
 // spanContext is a custom type used to unmarshal otel SpanContext correctly.
@@ -484,8 +483,6 @@ func (s spanSnapshot) InstrumentationScope() instrumentation.Scope {
 }
 
 // InstrumentationLibrary returns the InstrumentationLibrary of the snapshot
-//
-//nolint:staticcheck
-func (s spanSnapshot) InstrumentationLibrary() instrumentation.Library {
+func (s spanSnapshot) InstrumentationLibrary() instrumentation.Scope {
 	return s.instrumentationScope
 }