Use stable semconv constants

Author: laurit

custom/src/main/java/com/splunk/opentelemetry/opamp/OpampActivator.java

@@ -18,14 +18,14 @@
 
 import static io.opentelemetry.sdk.autoconfigure.AutoConfigureUtil.getConfig;
 import static io.opentelemetry.sdk.autoconfigure.AutoConfigureUtil.getResource;
+import static io.opentelemetry.semconv.ServiceAttributes.SERVICE_INSTANCE_ID;
 import static io.opentelemetry.semconv.ServiceAttributes.SERVICE_NAME;
+import static io.opentelemetry.semconv.ServiceAttributes.SERVICE_NAMESPACE;
 import static io.opentelemetry.semconv.ServiceAttributes.SERVICE_VERSION;
 import static io.opentelemetry.semconv.incubating.DeploymentIncubatingAttributes.DEPLOYMENT_ENVIRONMENT_NAME;
 import static io.opentelemetry.semconv.incubating.OsIncubatingAttributes.OS_NAME;
 import static io.opentelemetry.semconv.incubating.OsIncubatingAttributes.OS_TYPE;
 import static io.opentelemetry.semconv.incubating.OsIncubatingAttributes.OS_VERSION;
-import static io.opentelemetry.semconv.incubating.ServiceIncubatingAttributes.SERVICE_INSTANCE_ID;
-import static io.opentelemetry.semconv.incubating.ServiceIncubatingAttributes.SERVICE_NAMESPACE;
 import static java.util.logging.Level.WARNING;
 
 import com.google.auto.service.AutoService;