chore(deps): update container image ghcr.io/ix-ai/smtp to v0.5.2@cef9929 by renovate (#21487)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/ix-ai/smtp | digest | `b9e5238` -> `cef9929` |

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This PR has been generated by [Renovate
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<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4zNDEuMCIsInVwZGF0ZWRJblZlciI6IjM3LjM0MS4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInVwZGF0ZS9kb2NrZXIvZ2VuZXJhbC9ub24tbWFqb3IiXX0=-->

charts/stable/smtp-relay/Chart.yaml

@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/smtp-relay.webp
 keywords:
   - smtp-relay
   - smtp
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/smtp-relay
   - https://ghcr.io/ix-ai/smtp
 type: application
-version: 4.0.4
+version: 4.0.5

charts/stable/smtp-relay/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/ix-ai/smtp
   pullPolicy: IfNotPresent
-  tag: v0.5.2@sha256:b9e52385c352bc22c38d29c3e13ca2cb488eb363f06c7576445e7d2a205566b7
+  tag: v0.5.2@sha256:cef99291050b919de8c05ea52b2e6ecc7979a5bf8773097ec2827e3a21c40726
 
 securityContext:
   container: