Mention 1password support

Signed-off-by: Radoslav Dimitrov <radoslav@stacklok.com>

Author: rdimitrov

docs/toolhive/concepts/backend-auth.mdx

@@ -73,7 +73,8 @@ auditability. Static credentials are long-lived and shared across all users, so
 there is no per-user attribution in audit logs.
 
 When using static credentials, consider integrating with a secret management
-system like [HashiCorp Vault](../integrations/vault.mdx) for secure storage and
+system like [HashiCorp Vault](../integrations/vault.mdx) or
+[1Password](../guides-cli/secrets-management.mdx) for secure storage and
 rotation.
 
 ### Token exchange