Add changelog entry for 1.20.3

ArthurSens · ArthurSens · commit 937ac63d3d2d · 2024-09-05T09:23:41.000-03:00
Signed-off-by: Arthur Silva Sens &lt;arthursens2005@gmail.com&gt;
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Unreleased
 
+## 1.20.3 / 2024-09-05
+
+* [BUGFIX] histograms: Fix possible data race when appending exemplars. #1608
+
 ## 1.20.2 / 2024-08-23
 
 * [BUGFIX] promhttp: Unset Content-Encoding header when data is uncompressed. #1596
