Bump Kube API Linter version to latest

Signed-off-by: sivchari <[email protected]>

Author: sivchari

.github/workflows/pr-golangci-lint.yaml

@@ -30,7 +30,7 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # tag=v8.0.0
         with:
-          version: v2.4.0
+          version: v2.6.1
           working-directory: ${{matrix.working-directory}}
       - name: Lint API
         run: make lint-api

hack/tools/.custom-gcl.yaml

@@ -1,6 +1,6 @@
-version: v2.4.0
+version: v2.6.1
 name: golangci-lint-kube-api-linter
 destination: ./bin
 plugins:
 - module: 'sigs.k8s.io/kube-api-linter'
-  version: v0.0.0-20250908163129-65a570bd22aa
+  version: v0.0.0-20251107220451-f87b38edda8c