add opt-in PIT mutation testing

[renanfranca]

• Fix Add opt-in PIT mutation testing profile #255

Here is the result after running the mutate tests (no failures):

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- Timings
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> pre-scan for mutations : < 1 second
> scan classpath : < 1 second
> coverage and dependency analysis : 17 seconds
> build mutation tests : < 1 second
> run mutation analysis : 21 minutes and 28 seconds
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> Total  : 21 minutes and 46 seconds
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> 1 tests took longer than 2000 ms
> Slowest test ([engine:junit-jupiter]/[class:com.seed4j.cli.bootstrap.composition.PreSpringBootstrapCompositionTest]/[method:shouldRunStandardRuntimeLocallyWhenExecutableIsNotPackaged()]) took 2394 ms
> Largest test ([engine:junit-jupiter]/[class:com.seed4j.cli.bootstrap.infrastructure.primary.PreSpringBootstrapPrimaryTest]/[method:shouldKeepStandardCatalogAndAddOnlyTheExtensionOnlySlug()]) covered 1904 blocks
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- Statistics
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>> Line Coverage (for mutated classes only): 2212/2249 (98%)
>> 277 tests examined
>> Generated 1025 mutations Killed 861 (84%)
>> Mutations with no coverage 8. Test strength 85%
>> Ran 3913 tests (3.82 tests per mutation)
Enhanced functionality available at https://www.arcmutate.com/

Build messages:- 
* Project uses Spring, but the Arcmutate Spring plugin is not present. (https://docs.arcmutate.com/docs/spring.html)
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  21:47 min
[INFO] Finished at: 2026-07-20T12:38:32-03:00
[INFO] ------------------------------------------------------------------------