[1.4.z] Bump Quarkus version and keycloak backport

[jedla97]

Summary

• Bump Quarkus to 3.8.5
• Backport of Update Keycloak version to 24 as Quarkus move to this version #1153 as keycloak 24 is also used in Quarkus 3.8.5

Please check the relevant options

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Dependency update
• Backport
• Refactoring
• Breaking change (fix or feature that would cause existing functionality to change)
• This change requires a documentation update
• This change requires execution against OCP (use run tests phrase in comment)

Checklist:

• Example scenarios has been updated / added
• Methods and classes used in PR scenarios are meaningful
• Commits are well encapsulated and follow the best practices

[jedla97]

run tests

[jedla97]

run tests

[michalvavrik]

Changes are ok. OCP CI seems unrelated, but I re-triggered it manually. Let's wait for results and then merge it.