Replace app metrics with span metrics (#12573)

Co-authored-by: Alex Krawiec <[email protected]>

Author: coolguyzone

docs/organization/early-adopter-features/index.mdx

@@ -23,4 +23,4 @@ Limitations:
 - [Investigation Mode](/product/performance/retention-priorities/#investigation-mode) for retention priorities in Tracing
 - [Uptime Monitoring](/product/alerts/uptime-monitoring/)
 - [Dynamic Alerts](/product/alerts/create-alerts/metric-alert-config/#dynamic-alerts)
-- [New Trace Explorer With App Metrics](/product/explore/new-trace-explorer/)
+- [New Trace Explorer With Span Metrics](/product/explore/new-trace-explorer/)

docs/product/explore/new-trace-explorer/index.mdx

@@ -1,5 +1,5 @@
 ---
-title: "New Trace Explorer With App Metrics"
+title: "New Trace Explorer With Span Metrics"
 sidebar_order: 31
 description: "Learn how to use the new Sentry Trace Explorer to search span data, find distributed traces, and debug performance issues across your entire application stack."
 ---