feat: re-enable mutation testing

[vbreuss]

This PR re-enables mutation testing for the project by updating the Stryker.NET version and toggling the mutation test flag. The changes address a previously blocking issue that has been resolved upstream.

Key Changes

• Re-enabled mutation testing by setting DisableMutationTests to false
• Updated Stryker.NET tool version from 4.7.0 to 4.10.0

This update depends on the implementation of stryker-mutator/stryker-net#3327 (comment) and stryker-mutator/stryker-net#3353.

[Copilot]

Pull request overview

This PR re-enables mutation testing for the project by updating the Stryker.NET version and toggling the mutation test flag. The changes address a previously blocking issue that has been resolved upstream.

Key Changes:

• Re-enabled mutation testing by setting DisableMutationTests to false
• Updated Stryker.NET tool version from 4.7.0 to 4.9.0

[github-actions]

Test Results

    14 files  ±  0      14 suites  ±0   5m 22s ⏱️ +36s
 1 802 tests + 21   1 801 ✅ + 21  1 💤 ±0  0 ❌ ±0 
12 031 runs  +107  12 030 ✅ +107  1 💤 ±0  0 ❌ ±0 

Results for commit 893f6c0. ± Comparison against base commit 8e21298.

This pull request removes 2 and adds 23 tests. Note that renamed tests count towards both.

Mockolate.SourceGenerators.Tests.MockGeneratorTests ‑ WhenUsingMockCreateFromOtherNamespace_ShouldNotBeIncluded
Mockolate.SourceGenerators.Tests.Sources.ForMockTests+ImplementClassTests ‑ Methods_ShouldSupportRefAndOutParameters

Mockolate.SourceGenerators.Tests.GeneralTests ‑ MockOfGenericTypes_ShouldHandleSpecialGenericParameters
Mockolate.SourceGenerators.Tests.GeneralTests ‑ MultipleInterfacesWithSameName_ShouldAddSuffixToSetupAndVerifyMethods
Mockolate.SourceGenerators.Tests.MockGeneratorTests ‑ WhenUsingCustomMockGeneratorAttribute_ShouldNotBeIncluded
Mockolate.SourceGenerators.Tests.MockGeneratorTests ‑ WhenUsingIncorrectMockGeneratorAttribute_ShouldNotBeIncluded
Mockolate.SourceGenerators.Tests.Sources.ForMockTests ‑ CustomDelegates_ShouldSupportSpanAndReadOnlySpanParameters
Mockolate.SourceGenerators.Tests.Sources.ForMockTests ‑ ShouldHandleComplexInheritanceWithSealedAndInternalMembers
Mockolate.SourceGenerators.Tests.Sources.ForMockTests ‑ ShouldNotIncludeSealedOverrideSpecialMethods
Mockolate.SourceGenerators.Tests.Sources.ForMockTests ‑ ShouldNotIncludeSealedOverrideSpecialMethodsWithNonNullableParameters
Mockolate.SourceGenerators.Tests.Sources.ForMockTests+ImplementClassTests ‑ Methods_Generic_ShouldApplyAllConstraints(constraint: "class, allows ref struct")
Mockolate.SourceGenerators.Tests.Sources.ForMockTests+ImplementClassTests ‑ Methods_Generic_ShouldApplyAllConstraints(constraint: "class, notnull")
…

♻️ This comment has been updated with latest results.

[github-actions]

🚀 Benchmark Results

Details

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

AMD EPYC 7763 2.45GHz, 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	1.525 μs	0.0096 μs	0.0090 μs	0.2270	-	3.72 KB
Simple_Moq	182.873 μs	0.9094 μs	0.8062 μs	0.4883	-	14.77 KB
Simple_NSubstitute	5.704 μs	0.0727 μs	0.0680 μs	0.5493	0.0076	9.09 KB
Simple_FakeItEasy	6.613 μs	0.0252 μs	0.0223 μs	0.4959	-	8.11 KB

[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]

This is addressed in release v0.49.0.