add example for traces-only reduceResourceAttributes behavior

Author: povilasv

charts/opentelemetry-collector/CHANGELOG.md

@@ -38,6 +38,7 @@
 ### v0.130.2 / 2026-03-12
 
 - [Fix] Pass `command.extraArgs` to the managed Collector through the supervisor `agent.args` configuration instead of appending them to the `opampsupervisor` container command.
+- [Fix] Preserve `telemetry.sdk.*` resource attributes on traces when `reduceResourceAttributes` is enabled in provider-based mode, while continuing to remove them for logs and metrics.
 
 ### v0.130.1 / 2026-03-12