Add DelegatingComponent benchmark

Add a micro-benchmark for `DelegatingComponent` code path for non-AoT and AoT.

bench/BenchmarkDotNet.Artifacts/results/Polly.Core.Benchmarks.DelegatingComponentBenchmark-report-github.md

@@ -0,0 +1,15 @@
+```
+
+BenchmarkDotNet v0.13.9+228a464e8be6c580ad9408e98f18813f6407fb5a, Windows 11 (10.0.22621.2428/22H2/2022Update/SunValley2)
+12th Gen Intel Core i7-1270P, 1 CPU, 16 logical and 12 physical cores
+.NET SDK 7.0.403
+  [Host] : .NET 7.0.13 (7.0.1323.51816), X64 RyuJIT AVX2
+
+Job=MediumRun  Toolchain=InProcessEmitToolchain  IterationCount=15  
+LaunchCount=2  WarmupCount=10  
+
+```
+| Method                              | Mean     | Error    | StdDev   | Ratio | RatioSD | Gen0   | Allocated | Alloc Ratio |
+|------------------------------------ |---------:|---------:|---------:|------:|--------:|-------:|----------:|------------:|
+| DelegatingComponent_ExecuteCore_Jit | 29.40 ns | 0.699 ns | 1.025 ns |  1.00 |    0.00 |      - |         - |          NA |
+| DelegatingComponent_ExecuteCore_Aot | 34.65 ns | 0.627 ns | 0.919 ns |  1.18 |    0.05 | 0.0025 |      24 B |          NA |

bench/Polly.Core.Benchmarks/DelegatingComponentBenchmark.cs

@@ -0,0 +1,38 @@
+using Polly.Utils.Pipeline;
+
+namespace Polly.Core.Benchmarks;
+
+public class DelegatingComponentBenchmark : IAsyncDisposable
+{
+    private ResilienceContext? _context;
+    private DelegatingComponent? _component;
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        var first = PipelineComponent.Empty;
+        var second = PipelineComponent.Empty;
+
+        _component = new DelegatingComponent(first) { Next = second };
+        _context = ResilienceContextPool.Shared.Get();
+    }
+
+    public async ValueTask DisposeAsync()
+    {
+        if (_component is not null)
+        {
+            await _component.DisposeAsync().ConfigureAwait(false);
+            _component = null;
+        }
+
+        GC.SuppressFinalize(this);
+    }
+
+    [Benchmark(Baseline = true)]
+    public ValueTask<Outcome<int>> DelegatingComponent_ExecuteCore_Jit()
+        => _component!.ExecuteComponent((_, state) => Outcome.FromResultAsValueTask(state), _context!, 42);
+
+    [Benchmark]
+    public ValueTask<Outcome<int>> DelegatingComponent_ExecuteCore_Aot()
+        => _component!.ExecuteComponentAot((_, state) => Outcome.FromResultAsValueTask(state), _context!, 42);
+}