Update keycloak realm files names to align with Keycloak 26

[jcarranzan]

Summary

This PR updates the names of Keycloak realm JSON files from the quarkus-test-suite.
While investigating a Keycloak timed-out error in our win-22 Jenkins job, it was identified that the naming convention for realms had changed with Keycloak 26. This update is necessary to align our test configurations and prevent test errors.

Please select the relevant options.

• Bug fix (non-breaking change which fixes an issue)
• Dependency update
• Refactoring
• Backport
• New scenario (non-breaking change which adds functionality)
• This change requires a documentation update
• This change requires execution against OCP (use run tests phrase in comment)

Checklist:

• Methods and classes used in PR scenarios are meaningful
• Commits are well encapsulated and follow the best practices

[jedla97]

Afaik bump to Keycloak 26 and changes around it are done in #2264

[jcarranzan]

Afaik bump to Keycloak 26 and changes around it are done in #2264

Oh, I looked at the title of your PR and I overlooked your renaming of the realm files.
When I worked yesterday on this PR your changes had not been merged yet.
Ok no problem, I'll cancel this PR in favor of yours (#2264),
thank you!