refactor!: remove MockMonitorExtensions

[vbreuss]

This PR removes the MockMonitorExtensions class from Mockolate, completing a migration to source-generated extensions. The changes align with the project's architecture of using source generators for compile-time code generation.

Key Changes:

• Removed the manually written MockMonitorExtensions class from the codebase
• Updated API compatibility baselines to reflect the removal of this class
• Functionality is maintained through source-generated extensions

[Copilot]

Pull request overview

This PR removes the MockMonitorExtensions class from Mockolate, completing a migration to source-generated extensions. The changes align with the project's architecture of using source generators for compile-time code generation.

Key Changes:

• Removed the manually written MockMonitorExtensions class from the codebase
• Updated API compatibility baselines to reflect the removal of this class
• Functionality is maintained through source-generated extensions

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
Source/Mockolate/Monitor/MockMonitorExtensions.cs	Deleted the entire MockMonitorExtensions class containing the Monitor<T> extension method
Tests/Mockolate.Api.Tests/Expected/Mockolate_netstandard2.0.txt	Updated API baseline to remove MockMonitorExtensions from expected public API surface
Tests/Mockolate.Api.Tests/Expected/Mockolate_net8.0.txt	Updated API baseline to remove MockMonitorExtensions from expected public API surface
Tests/Mockolate.Api.Tests/Expected/Mockolate_net10.0.txt	Updated API baseline to remove MockMonitorExtensions from expected public API surface

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Test Results

    14 files  ±0      14 suites  ±0   4m 39s ⏱️ +2s
 1 534 tests ±0   1 533 ✅ ±0  1 💤 ±0  0 ❌ ±0 
10 227 runs  ±0  10 226 ✅ ±0  1 💤 ±0  0 ❌ ±0 

Results for commit 02c4fad. ± Comparison against base commit a45333a.

[github-actions]

🚀 Benchmark Results

Details

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.3 LTS (Noble Numbat)

AMD EPYC 7763 2.60GHz, 1 CPU, 4 logical and 2 physical cores

.NET SDK 10.0.101

[Host] : .NET 10.0.1 (10.0.1, 10.0.125.57005), X64 RyuJIT x86-64-v3
Job=InProcess  Toolchain=InProcessEmitToolchain  IterationCount=15

LaunchCount=1  WarmupCount=10

Method	Mean	Error	StdDev	Gen0	Gen1	Allocated
Simple_Mockolate	1.591 μs	0.0100 μs	0.0094 μs	0.2232	-	3.66 KB
Simple_Moq	177.369 μs	0.8626 μs	0.7647 μs	0.4883	-	14.55 KB
Simple_NSubstitute	5.898 μs	0.0668 μs	0.0624 μs	0.5569	0.0076	9.14 KB
Simple_FakeItEasy	6.680 μs	0.0660 μs	0.0618 μs	0.4959	-	8.11 KB

[github-actions]

This is addressed in release v0.44.0.