Update keystone and neutron images for CVE patches

Stefan Hoffmannrequested to merge
feature/keystone-neutron-cves into devel

Most branches have the patches already upstream, but we needed to rebuild the images.

Yaook Advisory for the CVEs: https://yaook.cloud/security-advisories-ossa-2026-007/ https://yaook.cloud/security-advisories-cve-2026-49299-50266/

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