ci: set directly KUBECONFIG environment secret in GitHub Actions

.github/workflows/deploy-to-staging.yml

@@ -82,12 +82,6 @@ jobs:
         with:
           version: "${{ env.HELM_VERSION }}"
 
-      - uses: azure/k8s-set-context@v3
-        with:
-           method: kubeconfig
-           kubeconfig: ${{ secrets.KUBECONFIG_CONTENT }}
-           context: kiwi
-
       # - name: set imagepullsecret
       #  uses: azure/k8s-create-secret@v4
       #  with:
@@ -107,6 +101,7 @@ jobs:
             --timeout 900s \
             --dry-run=true \
             --install \
+            --kube-context="kiwi" \
             --namespace="${{ env.NAMESPACE }}" \
             -f ./charts/backoffice/values.staging.yaml \
             --set image.tag="${{ github.ref_name }}-${{ github.sha }}" \
@@ -126,6 +121,7 @@ jobs:
             --timeout 900s \
             --dry-run=true \
             --install \
+            --kube-context="kiwi" \
             --namespace="${{ env.NAMESPACE }}" \
             -f ./charts/backoffice/values.staging.yaml \
             --set image.tag="${{ github.ref_name }}-${{ github.sha }}" \