CLEANSTART-2026-YX95586 Security fixes in keycloak 26.5.0-r1

Package keycloak version 26.5.0-r1 fixes 6 vulnerabilities: ghsa-h5fg-jpgr-rv9c, ghsa-45p5-v273-3qqr, CVE-2017-12159, CVE-2017-12158, ghsa-5rfx-cp42-p624...