CHANGELOG: fix wrong date (#5044)

**Which issue(s) this PR fixes**: 
None.

**What this PR does / why we need it**: 
Fix the wrong date of v1.19.0 release.

**Docs Changes**:
Not needed.

**Release Note**: 
Not needed.

Signed-off-by: Daijiro Fukuda <[email protected]>

Author: daipom

CHANGELOG.md

@@ -1,6 +1,6 @@
 # v1.19
 
-## Release v1.19.0 - 2025/07/29
+## Release v1.19.0 - 2025/07/30
 
 ### Enhancement