build(deps): update module go.opentelemetry.io/proto/otlp to v1.7.0

Author: renovate[bot]

go.mod

@@ -50,7 +50,7 @@ require (
 	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.32.0
 	go.opentelemetry.io/otel/sdk v1.37.0
 	go.opentelemetry.io/otel/trace v1.37.0
-	go.opentelemetry.io/proto/otlp v1.3.1
+	go.opentelemetry.io/proto/otlp v1.7.0
 	go.uber.org/atomic v1.11.0
 	go.uber.org/automaxprocs v1.6.0
 	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0