fix: add attributes only when they are available

Pipeline/Build.cs

@@ -20,7 +20,7 @@ partial class Build : NukeBuild
 	///     <para />
 	///     Afterward, you can update the package reference in `Directory.Packages.props` and reset this flag.
 	/// </summary>
-	readonly BuildScope BuildScope = BuildScope.Default;
+	readonly BuildScope BuildScope = BuildScope.CoreOnly;
 
 	[Parameter("Github Token")] readonly string GithubToken;
 	[GitRepository] readonly GitRepository Repository;

Source/aweXpect.Core/Core/Polyfills/Index.cs

@@ -18,7 +18,7 @@ namespace System;
 /// </code>
 /// </remarks>
 [ExcludeFromCodeCoverage]
-public readonly struct Index : IEquatable<Index>
+internal readonly struct Index : IEquatable<Index>
 {
 	private readonly int _value;
 

Source/aweXpect.Core/Core/Polyfills/Range.cs

@@ -18,7 +18,7 @@ namespace System;
 /// </code>
 /// </remarks>
 [ExcludeFromCodeCoverage]
-public readonly struct Range : IEquatable<Range>
+internal readonly struct Range : IEquatable<Range>
 {
 	/// <summary>Represent the inclusive start index of the Range.</summary>
 	public Index Start { get; }

Source/aweXpect.Core/Core/Polyfills/StackTraceHiddenAttribute.cs

@@ -14,5 +14,5 @@ namespace System.Diagnostics;
                 AttributeTargets.Struct,
 	Inherited = false)]
 [ExcludeFromCodeCoverage]
-public sealed class StackTraceHiddenAttribute : Attribute;
+internal sealed class StackTraceHiddenAttribute : Attribute;
 #endif