chore(helm): update image ghcr.io/pi-hole/pihole 2025.07.1 → 2025.08.0 (#38088)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[ghcr.io/pi-hole/pihole](https://redirect.github.com/pi-hole/docker-pi-hole)
| minor | `f84c165` -> `90a1412` |

---

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### Release Notes

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

###
[`v2025.08.0`](https://redirect.github.com/pi-hole/docker-pi-hole/releases/tag/2025.08.0)

[Compare
Source](https://redirect.github.com/pi-hole/docker-pi-hole/compare/2025.07.1...2025.08.0)

<!-- Release notes generated using configuration in .github/release.yml
at master -->

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

- Only clone depth 1, even when checking out tags by
[@&#8203;yubiuser](https://redirect.github.com/yubiuser) in
[https://github.com/pi-hole/docker-pi-hole/pull/1869](https://redirect.github.com/pi-hole/docker-pi-hole/pull/1869)
- Remove ncat dependency by
[@&#8203;yubiuser](https://redirect.github.com/yubiuser) in
[https://github.com/pi-hole/docker-pi-hole/pull/1870](https://redirect.github.com/pi-hole/docker-pi-hole/pull/1870)
- Add link to "Changed Environment Variables" by
[@&#8203;rdwebdesign](https://redirect.github.com/rdwebdesign) in
[https://github.com/pi-hole/docker-pi-hole/pull/1871](https://redirect.github.com/pi-hole/docker-pi-hole/pull/1871)
- Ensure all orphan FTL files are cleaned on startup by
[@&#8203;PromoFaux](https://redirect.github.com/PromoFaux) in
[https://github.com/pi-hole/docker-pi-hole/pull/1876](https://redirect.github.com/pi-hole/docker-pi-hole/pull/1876)
(Should fix
[#&#8203;1789](https://redirect.github.com/pi-hole/docker-pi-hole/issues/1789)
)

**Full Changelog**:
https://github.com/pi-hole/docker-pi-hole/compare/2025.07.1...2025.08.0

</details>

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charts/stable/pihole/Chart.yaml

@@ -9,7 +9,7 @@ annotations:
   truecharts.org/min_helm_version: "3.14"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 2025.07.1
+appVersion: 2025.08.0
 dependencies:
   - name: common
     version: 28.15.1
@@ -37,5 +37,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/pihole
   - https://pi-hole.net/
 type: application
-version: 20.3.1
+version: 20.4.0
 

charts/stable/pihole/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: ghcr.io/pi-hole/pihole
   pullPolicy: IfNotPresent
-  tag: 2025.07.1@sha256:f84c1654bfbafc44e2ac8447a1fa2fb739eae66395b4c179d2c59cb93e1321f3
+  tag: 2025.08.0@sha256:90a1412b3d3037d1c22131402bde19180d898255b584d685c84d943cf9c14821
 securityContext:
   container:
     readOnlyRootFilesystem: false