[@azure/cosmos]Update CHANGELOG and bump version (#36702)

### Packages impacted by this PR
@azure/cosmos

### Describe the problem that is addressed by this PR
This PR updates the CHANGELOG and bumps the version to v4.8.0

Author: amanrao23

sdk/cosmosdb/cosmos/CHANGELOG.md

@@ -1,4 +1,21 @@
 # Release History
+## 4.8.0 (2025-11-20)
+
+### Features Added
+
+- [#36701](https://github.com/Azure/azure-sdk-for-js/issues/36701) Added support for `float16` data type in vector embedding.
+- [#36700](https://github.com/Azure/azure-sdk-for-js/issues/36700) Added support for Priority level in Change feed.
+- [#36699](https://github.com/Azure/azure-sdk-for-js/issues/36699) Add support for throughput buckets in Change Feed.
+
+### Bugs Fixed
+
+- Fixed MIN/MAX aggregate queries randomly returning incorrect results in multi-partition collections. Empty partitions (count:0) were incorrectly overwriting valid aggregate values with undefined, causing MIN or MAX values to be missing from query results.
+
+### Other Changes
+
+- Added samples demonstrating Throughput bucketing feature.
+- Added samples showcasing the use of Priority-Level support.
+- Added samples for the `deleteAllItemsForPartitionKey` feature.
 
 ## 4.7.0 (2025-10-23)
 

sdk/cosmosdb/cosmos/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@azure/cosmos",
-  "version": "4.7.0",
+  "version": "4.8.0",
   "description": "Microsoft Azure Cosmos DB Service Node.js SDK for NOSQL API",
   "sdk-type": "client",
   "keywords": [

sdk/cosmosdb/cosmos/src/common/constants.ts

@@ -224,7 +224,7 @@ export const Constants = {
   AzureNamespace: "Azure.Cosmos",
   AzurePackageName: "@azure/cosmos",
   SDKName: "azure-cosmos-js",
-  SDKVersion: "4.7.0",
+  SDKVersion: "4.8.0",
 
   // Diagnostics
   CosmosDbDiagnosticLevelEnvVarName: "AZURE_COSMOSDB_DIAGNOSTICS_LEVEL",