ci: update k8s versions support for v1.12

Cilium 1.12 only supports K8s up to 1.24 as per
https://docs.cilium.io/en/v1.12/concepts/kubernetes/compatibility/#k8scompatibility

Since AKS does not support 1.24 anymore, we remove AKS testing on v1.12
as per our historical policy.

Signed-off-by: Nicolas Busseneau <nicolas@isovalent.com>

.github/ariane-config.yaml

@@ -1,17 +1,13 @@
 triggers:
   /test-backport-1.12:
     workflows:
-    - conformance-aks.yaml
     - conformance-aws-cni.yaml
     - conformance-clustermesh.yaml
     - conformance-eks.yaml
     - conformance-externalworkloads.yaml
     - conformance-gke.yaml
     - conformance-ingress.yaml
     - tests-l4lb.yaml
-  /ci-aks:
-    workflows:
-    - conformance-aks.yaml
   /ci-awscni:
     workflows:
     - conformance-aws-cni.yaml
@@ -38,8 +34,6 @@ triggers:
     - tests-l4lb.yaml
 
 workflows:
-  conformance-aks.yaml:
-    paths-ignore-regex: (test|Documentation)/
   conformance-aws-cni.yaml:
     paths-ignore-regex: (test|Documentation)/
   conformance-clustermesh.yaml: