Update changelog for 1.31.0 release (#190)

opentelemetrybot · web-flow · commit a701d212af59 · 2025-04-01T13:58:42.000-05:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+## Version 1.31.0 (2025-04-01)
+
 * Bump to semantic-conventions v1.31.0
   ([#189](https://github.com/open-telemetry/semantic-conventions-java/pull/189)))
 *  Harden GitHub Actions
