chore(deps): update helm release nats to 1.2.6

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gitops/argocd/charts/messaging/nats/Chart.yaml

@@ -23,4 +23,4 @@ appVersion: 1.0.0
 dependencies:
 - name: nats
   repository: https://nats-io.github.io/k8s/helm/charts
-  version: 1.1.11
+  version: 1.2.6