Backport of chore: Update Changelog Date For 0.19.5 Release into release/0.19.x (#6667)

* no-op commit due to failed cherry-picking

* chore: Update Changelog Date For 0.19.5 Release

---------

Co-authored-by: temp <temp@hashicorp.com>
Co-authored-by: Bharath Gajjala <120367134+bgajjala8@users.noreply.github.com>

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 Canonical reference for changes, improvements, and bugfixes for Boundary.
 
-## 0.19.5 (2026/04/24)
+## 0.19.5 (2026/04/30)
 
 ### New and Improved
 * Added support for new `debug` flag to expose pprof endpoints for debugging purposes. ([PR](https://github.com/hashicorp/boundary/pull/6644))