chore(helm): update image ghcr.io/pi-hole/pihole 2025.03.1 → 2025.04.0 (#33948)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/pi-hole/pihole](https://redirect.github.com/pi-hole/docker-pi-hole)
| minor | `c874ed4` -> `c2215c5` |

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### Release Notes

<details>
<summary>pi-hole/docker-pi-hole (ghcr.io/pi-hole/pihole)</summary>

###
[`v2025.04.0`](https://redirect.github.com/pi-hole/docker-pi-hole/releases/tag/2025.04.0)

[Compare
Source](https://redirect.github.com/pi-hole/docker-pi-hole/compare/2025.03.1...2025.04.0)

#### What's Changed (Docker Specific)

- Fix sunday cronjob by
[@&#8203;casperklein](https://redirect.github.com/casperklein) in
[https://github.com/pi-hole/docker-pi-hole/pull/1804](https://redirect.github.com/pi-hole/docker-pi-hole/pull/1804)

**Full Changelog**:
https://github.com/pi-hole/docker-pi-hole/compare/2025.03.1...2025.04.0

</details>

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charts/stable/pihole/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 2025.03.1
+appVersion: 2025.04.0
 dependencies:
   - name: common
     version: 25.4.10
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/pihole
   - https://pi-hole.net/
 type: application
-version: 19.1.1
+version: 19.2.0

charts/stable/pihole/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/pi-hole/pihole
   pullPolicy: IfNotPresent
-  tag: 2025.03.1@sha256:c874ed44d6085de9727aa5ca3f30ce786fa17d0b1d4847c038156db1b8444af2
+  tag: 2025.04.0@sha256:c2215c570976ebc23ab6688f556a80133d4236dae0bffee678129da4396fbd61
 securityContext:
   container:
     readOnlyRootFilesystem: false