Plugins: Remove some pkg/infra/* dependencies from pkg/plugins (#115795)

* tackle some /pkg/infra/* packages

* run make update-workspace

* add owner for slugify dep

pkg/plugins/tracing/tracing.go

@@ -0,0 +1,35 @@
+package tracing
+
+import (
+	"context"
+	"net/http"
+
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+	"go.opentelemetry.io/otel/trace/noop"
+)
+
+// Tracer defines the service used to create new spans.
+type Tracer interface {
+	trace.Tracer
+
+	// Inject adds identifying information for the span to the
+	// headers defined in [http.Header] map (this mutates http.Header).
+	Inject(context.Context, http.Header, trace.Span)
+}
+
+// Error sets the status to error and record the error as an exception in the provided span.
+// This is a simplified version that works directly with OpenTelemetry spans.
+func Error(span trace.Span, err error) error {
+	if err == nil {
+		return nil
+	}
+	span.SetStatus(codes.Error, err.Error())
+	span.RecordError(err)
+	return err
+}
+
+// NoopTracer returns a no-op tracer that can be used when tracing is not available.
+func NoopTracer() trace.Tracer {
+	return noop.NewTracerProvider().Tracer("")
+}