Update changelog for 1.38.0 release (#393)

otelbot[bot] · web-flow · commit d1653124db3b · 2026-01-27T15:25:05.000-08:00
Co-authored-by: otelbot &lt;197425009+otelbot@users.noreply.github.com&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## Version 1.38.0 (2026-01-27)
+
 * Bump to semconv v1.38.0
   ([#384](https://github.com/open-telemetry/semantic-conventions-java/pull/384))
 
