changelog: 8.15.2 release (#14186)

Signed-off-by: inge4pres <francesco.gualazzi@elastic.co>
Co-authored-by: Carson Ip <carsonip@users.noreply.github.com>

changelogs/8.15.asciidoc

@@ -1,9 +1,27 @@
 [[apm-release-notes-8.15]]
 == APM version 8.15
 
+* <<apm-release-notes-8.15.2>>
 * <<apm-release-notes-8.15.1>>
 * <<apm-release-notes-8.15.0>>
 
+[float]
+[[apm-release-notes-8.15.2]]
+=== APM version 8.15.2
+
+https://github.com/elastic/apm-server/compare/v8.15.1\...v8.15.2[View commits]
+
+[float]
+==== Bug fixes
+
+- Fix broken APM Agents configuration cache when there are more than 100 agent config entries {pull}13958[13958]
+- Fix a panic in OTLP label setting when receiving on non-compliant attribute array values {pull}13950[13950]
+
+[float]
+==== Added
+
+- Map OpenTelemetry instrumentation scope to `Service.Framework.*` for all signal types. {pull}13903[13903]
+
 [float]
 [[apm-release-notes-8.15.1]]
 === APM version 8.15.1