merge main, use 'code.function.name' instead of 'code.function

Author: Duncan-tree-zhou

instrumentation/opentelemetry-instrumentation-annotations/opentelemetry-instrumentation-annotations-incubator/javaagent/src/main/java/io/opentelemetry/javaagent/instrumentation/instrumentationannotations/incubator/MetricsAnnotationHelper.java

@@ -36,7 +36,7 @@ public abstract class MetricsAnnotationHelper {
   static void addStaticAttributes(Method method, AttributesBuilder attributesBuilder) {
     attributesBuilder.put(
         CodeIncubatingAttributes.CODE_NAMESPACE, method.getDeclaringClass().getName());
-    attributesBuilder.put(CodeIncubatingAttributes.CODE_FUNCTION, method.getName());
+    attributesBuilder.put(CodeIncubatingAttributes.CODE_FUNCTION_NAME, method.getName());
 
     StaticMetricAttribute[] staticMetricAttributes =
         method.getDeclaredAnnotationsByType(StaticMetricAttribute.class);