Update changelog

Author: dagnir

.changes/2.30.8.json

@@ -37,6 +37,12 @@
             "category": "Timestream InfluxDB",
             "contributor": "",
             "description": "Adds 'allocatedStorage' parameter to UpdateDbInstance API that allows increasing the database instance storage size and 'dbStorageType' parameter to UpdateDbInstance API that allows changing the storage type of the database instance"
+        },
+        {
+            "type": "feature",
+            "category": "AWS SDK for Java v2",
+            "contributor": "",
+            "description": "Buffer input data from ContentStreamProvider to avoid the need to reread the stream after calculating its length."
         }
     ]
 }

.changes/next-release/feature-AWSSDKforJavav2-9db145b.json

@@ -24,6 +24,10 @@
   - ### Features
     - Adds 'allocatedStorage' parameter to UpdateDbInstance API that allows increasing the database instance storage size and 'dbStorageType' parameter to UpdateDbInstance API that allows changing the storage type of the database instance
 
+## __AWS SDK for Java v2__
+  - ### Features
+    - Buffer input data from ContentStreamProvider to avoid the need to reread the stream after calculating its length.
+
 # __2.30.7__ __2025-01-27__
 ## __AWS Elemental MediaConvert__
   - ### Features