Update changelog for 3.3.6 release

relentlesskrishnan · copybara-github · commit eacad44a1a67 · 2025-09-15T12:27:46.000-07:00
PiperOrigin-RevId: 807337529
Change-Id: I48bffe879a462a68ad0e55a75a8461bf3a98e97b
diff --git a/doc/changelog.rst b/doc/changelog.rst
@@ -2,7 +2,7 @@
 Changelog
 =========
 
-3.3.6 (September 9, 2025)
+3.3.6 (September 15, 2025)
 -----------------------------------
 
 General
