Bump the dotnet group with 4 updates (dotnet#54710)

Bumps Microsoft.Orleans.BroadcastChannel from 10.2.0 to 10.2.1
Bumps Microsoft.Orleans.Sdk from 10.2.0 to 10.2.1
Bumps Microsoft.Orleans.Serialization.SystemTextJson from 10.2.0 to 10.2.1
Bumps Microsoft.Orleans.Server from 10.2.0 to 10.2.1

---
updated-dependencies:
- dependency-name: Microsoft.Orleans.BroadcastChannel
  dependency-version: 10.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Serialization.SystemTextJson
  dependency-version: 10.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Sdk
  dependency-version: 10.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
- dependency-name: Microsoft.Orleans.Server
  dependency-version: 10.2.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dotnet
...

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Author: dependabot[bot]

docs/orleans/streaming/snippets/broadcastchannel/BroadcastChannel.Silo/BroadcastChannel.Silo.csproj

@@ -7,9 +7,9 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.9" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.9" />
-    <PackageReference Include="Microsoft.Orleans.Server" Version="10.2.0" />
-    <PackageReference Include="Microsoft.Orleans.BroadcastChannel" Version="10.2.0" />
-    <PackageReference Include="Microsoft.Orleans.Serialization.SystemTextJson" Version="10.2.0" />
+    <PackageReference Include="Microsoft.Orleans.Server" Version="10.2.1" />
+    <PackageReference Include="Microsoft.Orleans.BroadcastChannel" Version="10.2.1" />
+    <PackageReference Include="Microsoft.Orleans.Serialization.SystemTextJson" Version="10.2.1" />
   </ItemGroup>
 
   <ItemGroup>