update CHANGELOG.md

Author: parthea

packages/google-cloud-dlp/CHANGELOG.md

@@ -9,7 +9,12 @@
 
 ### Features
 
-* [google-cloud-dlp] add ([09f78e3ca85671594e20c3182038238e58d3d8cb](https://github.com/googleapis/google-cloud-python/commit/09f78e3ca85671594e20c3182038238e58d3d8cb))
+* [google-cloud-dlp] add LocationSupport, Domain, DocumentFallbackLocation([09f78e3ca85671594e20c3182038238e58d3d8cb](https://github.com/googleapis/google-cloud-python/commit/09f78e3ca85671594e20c3182038238e58d3d8cb))
+
+
+### Documentation
+
+* minor doc revision ([09f78e3ca85671594e20c3182038238e58d3d8cb](https://github.com/googleapis/google-cloud-python/commit/09f78e3ca85671594e20c3182038238e58d3d8cb))
 
 ## [3.31.0](https://github.com/googleapis/google-cloud-python/compare/google-cloud-dlp-v3.30.0...google-cloud-dlp-v3.31.0) (2025-06-19)