upgrading to SpringBoot v3

pom.xml

...ringframework/samples/petclinic/PetClinicApplication.java

...g/springframework/samples/petclinic/model/BaseEntity.java

.../springframework/samples/petclinic/model/NamedEntity.java

...va/org/springframework/samples/petclinic/model/Owner.java

...a/org/springframework/samples/petclinic/model/Person.java

...java/org/springframework/samples/petclinic/model/Pet.java

.../org/springframework/samples/petclinic/model/PetType.java

...ava/org/springframework/samples/petclinic/model/Role.java

...rg/springframework/samples/petclinic/model/Specialty.java

...ava/org/springframework/samples/petclinic/model/User.java

...java/org/springframework/samples/petclinic/model/Vet.java

...va/org/springframework/samples/petclinic/model/Visit.java

...es/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java

...ples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java

...amples/petclinic/repository/jpa/JpaPetRepositoryImpl.java

...es/petclinic/repository/jpa/JpaPetTypeRepositoryImpl.java

.../petclinic/repository/jpa/JpaSpecialtyRepositoryImpl.java

...mples/petclinic/repository/jpa/JpaUserRepositoryImpl.java

...amples/petclinic/repository/jpa/JpaVetRepositoryImpl.java