fix anchor

Signed-off-by: ChrsMark <[email protected]>

Author: ChrsMark

docs/system/container-metrics.md

@@ -99,7 +99,7 @@ This metric is [opt-in][MetricOptIn].
 <!-- END AUTOGENERATED TEXT -->
 <!-- endsemconv -->
 
-<!-- semconv metric.container.cpu.time(full) -->
+<!-- semconv metric.container.cpu.usage(full) -->
 <!-- NOTE: THIS TEXT IS AUTOGENERATED. DO NOT EDIT BY HAND. -->
 <!-- see templates/registry/markdown/snippet.md.j2 -->
 <!-- prettier-ignore-start -->