chore: remove metrics-service and update dependencies

[pablocarle]

Description

• Remove deprecated metrics-service
• Update dependencies for Spring Boot 3 (like micronaut)
• Remove unused dependency declarations and versions.

Type of change

• chore: Chore, repository cleanup, updates the dependencies.

Checklist:

• My code follows the style guidelines of this project
• PR title conforms to commit message guideline ## Commit Message Structure Guideline
• I have commented my code, particularly in hard-to-understand areas. In JS I did provide JSDoc
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• The java tests in the area I was working on leverage @nested annotations
• Any dependent changes have been merged and published in downstream modules

[JirkaAichler]

I was hoping that you will delete more versions :-)

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud