feat(ghostfolio): update image docker.io/ghostfolio/ghostfolio 3.17.0 → 3.18.0 (#49601)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/ghostfolio/ghostfolio](https://redirect.github.com/ghostfolio/ghostfolio)
| minor | `e376d78` → `f661cdb` |

---

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> Some dependencies could not be looked up. Check the [Dependency
Dashboard](../issues/18710) for more information.

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---

### Release Notes

<details>
<summary>ghostfolio/ghostfolio
(docker.io/ghostfolio/ghostfolio)</summary>

###
[`v3.18.0`](https://redirect.github.com/ghostfolio/ghostfolio/blob/HEAD/CHANGELOG.md#3180---2026-06-28)

[Compare
Source](https://redirect.github.com/ghostfolio/ghostfolio/compare/3.17.0...3.18.0)

##### Added

- Added support for filtering in the public access for portfolio sharing
(experimental)
- Set up the language localization for Japanese (`ja`)

##### Changed

- Improved the alias display in the access table to share the portfolio
- Improved the language localization for German (`de`)

##### Fixed

- Fixed a phantom `UNKNOWN` slice in the portfolio proportion chart
component caused by floating-point rounding
- Fixed the base currency for the total value calculation in the public
access for portfolio sharing
- Fixed an issue in the public access for portfolio sharing that exposed
absolute values of the top holdings of ETFs
- Fixed the time zone handling in the `api` test suite for deterministic
execution in `UTC`

</details>

---

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charts/stable/ghostfolio/Chart.yaml

@@ -9,7 +9,7 @@ annotations:
   trueforge.org/min_helm_version: "3.14"
   trueforge.org/train: stable
 apiVersion: v2
-appVersion: 3.17.0
+appVersion: 3.18.0
 dependencies:
   - name: common
     version: 29.6.0
@@ -44,5 +44,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/ghostfolio
   - https://hub.docker.com/r/ghostfolio/ghostfolio
 type: application
-version: 12.25.0
+version: 12.26.0
 

charts/stable/ghostfolio/values.yaml

@@ -2,7 +2,7 @@
 image:
   repository: docker.io/ghostfolio/ghostfolio
   pullPolicy: IfNotPresent
-  tag: 3.17.0@sha256:e376d788f2577819ed88dcf6480614906f46bf2e4b809439f8838cefeb00b6f3
+  tag: 3.18.0@sha256:f661cdba75921ce1b8d97b8b7b311f23edb8bdb16e1d0589498dc09afa7b7558
 securityContext:
   container:
     runAsNonRoot: false