Add k8s-v1.33.7.

[garloff]

Kubernetes v1.33.7.
CSI/CCM are unchanged (no newer upstream releases).
Artifacts for testing in: openstack-scs2-1-33-v0-git-e8b8861

[garloff]

Greenfield e2e tests succeeded.

         PLUGIN     STATUS   RESULT   COUNT                                PROGRESS
            e2e   complete   passed       1   Passed:  0, Failed:  0, Remaining:416
   systemd-logs   complete   passed       6                                        

Sonobuoy has completed. Use `sonobuoy retrieve` to get results.
202512171551_sonobuoy_445a7065-a736-4233-a098-b80915c2d471.tar.gz
Plugin: e2e
Status: passed
Total: 6739
Passed: 420
Failed: 0
Skipped: 6319

Plugin: systemd-logs
Status: passed
Total: 6
Passed: 6
Failed: 0
Skipped: 0

Run Details:
API Server version: v1.33.7
Node health: 6/6 (100%)
Pods health: 53/53 (100%)
[...]

Will do a 1.33.6 -> 1.33.7 upgrade next and rerun e2e.

[garloff]

OK, rolling upgrade (from 1.33.5) also worked and finished the e2e tests successfully:

Sonobuoy is still running. Runs can take 60 minutes or more depending on cluster and plugin configuration.
         PLUGIN     STATUS   RESULT   COUNT                                PROGRESS
            e2e   complete   passed       1   Passed:  0, Failed:  0, Remaining:416                           
   systemd-logs   complete   passed       6                                                           
                                                                                                                                        
Sonobuoy has completed. Use `sonobuoy retrieve` to get results.                                                                         
202512180941_sonobuoy_b17ec489-781d-435c-b11c-18785c26ee26.tar.gz                                                                       
Plugin: systemd-logs                                                                                                                    
Status: passed                                                                                                                          
Total: 6                                                                                                                                
Passed: 6                                                                                                                               
Failed: 0                                                                                                                               
Skipped: 0                                                          
                                                                                                                                        
Plugin: e2e
Status: passed                                                                                                                          
Total: 6739                                                                                                                             
Passed: 420                                                                                                                             
Failed: 0                                                           
Skipped: 6319                                                       
                                                                    
Run Details:                                                                                                                            
API Server version: v1.33.7                                         
Node health: 6/6 (100%)                                             
Pods health: 53/53 (100%)                                           

Please approve!

[jschoone]

Added Cilium 1.18.5

[garloff]

successfully pushed clusterstack release: registry.scs.community/kaas/cluster-stacks:openstack-scs2-1-33-v4