Update CODEOWNERS (#2986)

Metrics Query doesn’t own public API endpoints = Timeseries Query can help triage whether this needs input from deeper in the stack.

points-aggregation => metrics-storage-platform

Metric tag endpoints are owned by metrics-index
Metric Metadata endpoints are owned by metrics-experience

Author: nguyening

.github/CODEOWNERS

@@ -16,7 +16,10 @@ datadog/*datadog_integration_aws*         @DataDog/web-frameworks @DataDog/api-r
 datadog/*datadog_integration_pagerduty*   @DataDog/web-frameworks @DataDog/api-reliability @DataDog/collaboration-integrations
 datadog/*datadog_integration_opsgenie*    @DataDog/web-frameworks @DataDog/api-reliability @Datadog/collaboration-integrations
 datadog/*datadog_logs*                    @DataDog/web-frameworks @DataDog/api-reliability @DataDog/logs-backend @DataDog/logs-core @DataDog/logs-forwarding @DataDog/logs-app
-datadog/*datadog_metric*                  @DataDog/web-frameworks @DataDog/api-reliability @DataDog/metrics-intake @DataDog/metrics-query @DataDog/points-aggregation
+datadog/*datadog_metric*                  @DataDog/web-frameworks @DataDog/api-reliability @DataDog/metrics-intake @DataDog/timeseries-query @DataDog/metrics-storage-platform
+datadog/*datadog_metric_tags*             @DataDog/web-frameworks @DataDog/api-reliability @DataDog/metrics-index
+datadog/*datadog_metric_metadata*         @DataDog/web-frameworks @DataDog/api-reliability @DataDog/metrics-experience
+datadog/*datadog_metric_tag_configuration*  @DataDog/web-frameworks @DataDog/api-reliability @DataDog/metrics-experience
 datadog/*datadog_monitor*                 @DataDog/web-frameworks @DataDog/api-reliability @DataDog/monitor-app
 datadog/*datadog_screenboard*             @DataDog/web-frameworks @DataDog/api-reliability @DataDog/dashboards-backend
 datadog/*datadog_security*                @DataDog/web-frameworks @DataDog/api-reliability @DataDog/k9-cloud-security-platform
@@ -67,4 +70,4 @@ datadog/**/*datadog_powerpack*                   @DataDog/web-frameworks @DataDo
 datadog/**/*datadog_role_users*                  @DataDog/web-frameworks @DataDog/api-reliability @DataDog/team-aaa
 datadog/**/*datadog_rum*                         @DataDog/web-frameworks @DataDog/api-reliability @DataDog/rum-backend
 datadog/**/*datadog_security*                    @DataDog/web-frameworks @DataDog/api-reliability @DataDog/k9-cloud-security-platform
-datadog/**/*datadog_app_builder_app*             @DataDog/web-frameworks @DataDog/api-reliability @DataDog/app-builder-backend
+datadog/**/*datadog_app_builder_app*             @DataDog/web-frameworks @DataDog/api-reliability @DataDog/app-builder-backend