Allows validation by `groups` on `@Valid`

Like [Spring Framework's `@Validated` annotation](https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/validation/annotation/Validated.html) but in standard in Jakarta Validation Spec.

We currently cannot define validation groups on the `@Validated` annotation.

This should be possible, as with all other constraints annotations.

```
@Valid(groups = {CreationGroup.class, ModificationGroup.class})
```

Start by comparing the standard Jakarta Validation @Valid annotation with Spring Framework's @Validated behavior and resolve which annotation this issue targets. Confirm the specification and API changes required for validation groups, then define completion as standard group declarations being supported and covered by the relevant project tests.

Written by the indexing model from the issue text.