XML doc for generated public partial Program class (#62726)

Co-authored-by: Safia Abdalla <[email protected]>

Author: benhopkinstech

src/Framework/AspNetCoreAnalyzers/src/SourceGenerators/PublicTopLevelProgramGenerator.cs

@@ -12,9 +12,10 @@ public class PublicProgramSourceGenerator : IIncrementalGenerator
 {
     private const string PublicPartialProgramClassSource = """
 // <auto-generated />
-#pragma warning disable CS1591
+/// <summary>
+/// Auto-generated public partial Program class for top-level statement apps.
+/// </summary>
 public partial class Program { }
-#pragma warning restore CS1591
 """;
 
     public void Initialize(IncrementalGeneratorInitializationContext context)

src/Framework/AspNetCoreAnalyzers/test/SourceGenerators/PublicTopLevelProgramGeneratorTests.cs

@@ -9,9 +9,10 @@ public class PublicTopLevelProgramGeneratorTests
 {
     private const string ExpectedGeneratedSource = """
 // <auto-generated />
-#pragma warning disable CS1591
+/// <summary>
+/// Auto-generated public partial Program class for top-level statement apps.
+/// </summary>
 public partial class Program { }
-#pragma warning restore CS1591
 """;
 
     [Fact]