Merge change log updates from release/v1.49.x (open-telemetry#2184)

otelbot[bot] · web-flow · commit 3e2f39ee1cdc · 2025-08-25T22:53:46.000Z
Co-authored-by: otelbot &lt;197425009+otelbot@users.noreply.github.com&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-## Version 1.49.0 (2025-08-22)
+## Version 1.49.0 (2025-08-25)
 
 ### Consistent sampling
 
