Update steps

infra/STEPS.md

@@ -44,4 +44,12 @@ https://grafana.com/blog/2023/01/19/how-to-monitor-kubernetes-clusters-with-the-
 
 ```sh
 kubectl apply -f https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/main/bundle.yaml --force-conflicts=true --server-side=true
+```
+
+## Sealed Secrets
+https://github.com/bitnami-labs/sealed-secrets
+
+```sh
+helm repo add sealed-secrets https://bitnami-labs.github.io/sealed-secrets
+helm install sealed-secrets -n kube-system --set-string fullnameOverride=sealed-secrets-controller sealed-secrets/sealed-secrets
 ```