Bump KAL + enable uniquemarkers linter

Signed-off-by: Stefan Büringer buringerst@vmware.com

Author: sbueringer

.golangci-kal.yml

@@ -27,6 +27,7 @@ linters:
               - "requiredfields" # Required fields should not be pointers, and should not have `omitempty`.
               - "statusoptional" # Ensure all first children within status should be optional.
               - "statussubresource" # All root objects that have a `status` field should have a status subresource.
+              - "uniquemarkers" # Ensure that types and fields do not contain more than a single definition of a marker that should only be present once.
 
             # Per discussion in July 2024, we are keeping phase fields for now.
             # See https://github.com/kubernetes-sigs/cluster-api/pull/10897#discussion_r1685929508

hack/tools/.custom-gcl.yaml

@@ -3,4 +3,4 @@ name: golangci-lint-kube-api-linter
 destination: ./bin
 plugins:
 - module: 'sigs.k8s.io/kube-api-linter'
-  version: v0.0.0-20250605073038-74075c8eae51
+  version: v0.0.0-20250626111229-e719da12d840