[v11.0.x] Docs: change availability to public preview for v11 (#86392)

Docs: change availability to public preview for v11 (#86390)

Changed availability to public preview

(cherry picked from commit d55ce5b2e8)

Co-authored-by: Isabel Matwawana <76437239+imatwawana@users.noreply.github.com>

docs/sources/explore/explore-metrics.md

@@ -14,9 +14,7 @@ weight: 200
 
 Grafana Explore Metrics is a query-less experience for browsing **Prometheus-compatible** metrics. Quickly find related metrics with just a few simple clicks, without needing to write PromQL queries to retrieve metrics.
 
-{{% admonition type="warning" %}}
-Explore Metrics is currently in [private preview](/docs/release-life-cycle/). Grafana Labs offers support on a best-effort basis, and breaking changes might occur prior to the feature being made generally available.
-{{% /admonition %}}
+{{< docs/public-preview product="Explore Metrics" >}}
 
 With Explore Metrics, you can: