(#3849) Bump Chocolatey.NuGet.PackageManagement to 3.5.0-alpha

Key Changes
- Update Chocolatey.NuGet.PackageManagement from 3.4.3 to
  3.5.0-alpha-20260227-1505.

Reason of the change
- Use the new property that defines which source a package comes from,
  enabling improved source awareness and handling.

Author: AdmiringWorm

src/chocolatey/chocolatey.csproj

@@ -93,7 +93,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="AlphaFS" Version="2.2.6" />
-    <PackageReference Include="Chocolatey.NuGet.PackageManagement" Version="3.4.3" />
+    <PackageReference Include="Chocolatey.NuGet.PackageManagement" Version="3.5.0-alpha-20260227-1505" />
     <PackageReference Include="log4net" Version="3.2.0" />
     <PackageReference Include="Microsoft.Bcl.HashCode" Version="6.0.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.BannedApiAnalyzers">