Major code cleanup.
Renamed AlgorithmDTOs to AlgorithmSpecificationDTO.
Converted all DTOs to records.
Moved Exareme2 specific DTOs to separate folder.
Split the ExperimentDTO used in the request to an ExperimentExecutionDTO.
Logs refactoring.

Converted all DTOs to records, except from CommonDataElement because we need to modify it.
Created a PathologyService and extracted all complexity from the Controller.
Renamed the MetadataHierarchyDTO to PathologyMetadataDTO.
Created a new PathologyMetadataGroupDTO class for the metadata groups. The PathologyMetadataDTO class has more properties now that were not included previously.
Removed the Exareme2AttributesDTO, getting the internal info hardcoded, maybe we should change that in the future.

Spring upgraded to version 3.
Keycloak auth adapters were deprecated and moved to oauth2 security. Auth mechanism refactored.
CSRF handling mechanism upgraded with spring security 6 and BREACH protection.
Removed a LOT of unneeded dependencies.
Upgraded all dependencies to latest versions, except from flyway.
Code cleanup and code simplification.

Spring boot also upgraded to 2.7.13
Removed springfox completely, will use openapi in the future.
Moved ExperimentSpecifications to the Repository.

Bumps [h2](https://github.com/h2database/h2database) from 2.1.210 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](https://github.com/h2database/h2database/compare/version-2.1.210...version-2.2.220

)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Now we properly load the algorithm parameter types.

Update algorithm specifications for enums

The file no longer needs to be mounted.
Diabled algorithm 'THREE_C'.

Fix on pathologies

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.3.7 to 42.3.8.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.3.7...REL42.3.8

)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Experiments now will run to their proper engines according to the get algorithms.