prepare release for Azure.Core (Azure#52759)

Author: m-nash

eng/Packages.Data.props

@@ -86,7 +86,7 @@
 
     <!-- BCL packages -->
     <PackageReference Update="System.Buffers" Version="4.5.1" />
-    <PackageReference Update="System.ClientModel" Version="1.6.1" />
+    <PackageReference Update="System.ClientModel" Version="1.7.0" />
     <PackageReference Update="System.IO.Hashing" Version="8.0.0" />
     <PackageReference Update="System.Memory" Version="4.5.5" />
     <PackageReference Update="System.Memory.Data" Version="8.0.1" />
@@ -434,7 +434,7 @@
     <PackageReference Update="Polly.Contrib.WaitAndRetry" Version="1.1.1" />
     <PackageReference Update="Portable.BouncyCastle" Version="1.9.0" />
     <PackageReference Update="PublicApiGenerator" Version="10.0.1" />
-    <PackageReference Update="System.ClientModel" Version="1.6.1" />
+    <PackageReference Update="System.ClientModel" Version="1.7.0" />
     <PackageReference Update="System.Diagnostics.TraceSource" Version="4.3.0" />
     <PackageReference Update="System.IO.Compression" Version="4.3.0" />
     <PackageReference Update="System.IO.Pipelines" Version="4.5.1" />

sdk/core/Azure.Core/CHANGELOG.md

@@ -1,14 +1,10 @@
 # Release History
 
-## 1.49.0-beta.1 (Unreleased)
+## 1.49.0 (2025-09-22)
 
 ### Features Added
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
+- Adopt System.ClientModel 1.7.0
 
 ## 1.48.0 (2025-09-09)
 

sdk/core/Azure.Core/src/Azure.Core.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <Description>This is the implementation of the Azure Client Pipeline</Description>
     <AssemblyTitle>Microsoft Azure Client Pipeline</AssemblyTitle>
-    <Version>1.49.0-beta.1</Version>
+    <Version>1.49.0</Version>
     <!--The ApiCompatVersion is managed automatically and should not generally be modified manually.-->
     <ApiCompatVersion>1.48.0</ApiCompatVersion>
     <PackageTags>Microsoft Azure Client Pipeline</PackageTags>