[Storage] Prep for release stg97 - Blob and Files (Azure#24100)

* prep for release stg97

* changelog update

Author: tanyasethi-msft

sdk/storage/azblob/CHANGELOG.md

@@ -1,14 +1,9 @@
 # Release History
 
-## 1.6.1-beta.1 (Unreleased)
+## 1.6.1-beta.1 (2025-02-12)
 
 ### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
+* Upgraded service version to `2025-05-05`.
 
 ## 1.6.0 (2025-01-23)
 

sdk/storage/azfile/CHANGELOG.md

@@ -1,9 +1,9 @@
 # Release History
 
-## 1.5.1-beta.1 (Unreleased)
+## 1.5.1-beta.1 (2025-02-12)
 
 ### Features Added
-* Upgraded service version to `2025-07-05`.
+* Upgraded service version to `2025-05-05`.
 * NFS Over Rest API Request/Response changes in the following APIs - 
   CreateFile
   SetFileProperties
@@ -24,10 +24,6 @@
   DirectoryClient.Create()
   DirectoryClient.SetHttpHeaders()
 
-### Bugs Fixed
-
-### Other Changes
-
 ## 1.5.0 (2025-01-23)
 
 ### Features Added