Bump BLite packages to preview.3

Update BLite-related package references to preview.3 across projects to keep versions consistent.

Changes:
- samples/BLite.Sample: BLite.SourceGenerators 3.8.0-preview.2 -> 3.8.0-preview.3
- src/BLite.Client: BLite 3.8.0-preview.1 -> 3.8.0-preview.3
- src/BLite.Server: BLite 3.8.0-preview.1 -> 3.8.0-preview.3
- tests/BLite.Client.IntegrationTests: BLite 3.8.0-preview.2 -> 3.8.0-preview.3 and BLite.SourceGenerators 3.8.0-preview.2 -> 3.8.0-preview.3

This aligns package versions across sample, client, server, and integration tests.

Author: mrdevrobot

samples/BLite.Sample/BLite.Sample.csproj

@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.*" />
     <PackageReference Include="Scalar.AspNetCore" Version="2.13.13" />
-    <PackageReference Include="BLite.SourceGenerators" Version="3.8.0-preview.2">
+    <PackageReference Include="BLite.SourceGenerators" Version="3.8.0-preview.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>

src/BLite.Client/BLite.Client.csproj

@@ -36,7 +36,7 @@
 
   <ItemGroup>
     <!-- gRPC client channel -->
-    <PackageReference Include="BLite" Version="3.8.0-preview.1" ExcludeAssets="analyzers" />
+    <PackageReference Include="BLite" Version="3.8.0-preview.3" ExcludeAssets="analyzers" />
     <PackageReference Include="Grpc.Net.Client" Version="2.76.0" />
     <!-- QueryDescriptor wire serialization (same options as server) -->
     <PackageReference Include="MessagePack" Version="3.1.*" />

src/BLite.Server/BLite.Server.csproj

@@ -44,7 +44,7 @@
 
   <ItemGroup>
     <!-- OS service integration (Windows Service + Linux systemd) -->
-    <PackageReference Include="BLite" Version="3.8.0-preview.1" />
+    <PackageReference Include="BLite" Version="3.8.0-preview.3" />
     <PackageReference Include="Microsoft.Extensions.Hosting.WindowsServices" Version="10.0.*" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Systemd" Version="10.0.*" />
 

tests/BLite.Client.IntegrationTests/BLite.Client.IntegrationTests.csproj

@@ -11,8 +11,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BLite" Version="3.8.0-preview.2" />
-    <PackageReference Include="BLite.SourceGenerators" Version="3.8.0-preview.2">
+    <PackageReference Include="BLite" Version="3.8.0-preview.3" />
+    <PackageReference Include="BLite.SourceGenerators" Version="3.8.0-preview.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>