chore(deps): update container image wekanteam/wekan to v7.50@451239d by renovate (#23695)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [wekanteam/wekan](https://togithub.com/wekan/wekan) | minor | `v7.49`
-> `v7.50` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>wekan/wekan (wekanteam/wekan)</summary>

###
[`v7.50`](https://togithub.com/wekan/wekan/blob/HEAD/CHANGELOG.md#v750-2024-06-22-WeKan--release)

[Compare Source](https://togithub.com/wekan/wekan/compare/v7.49...v7.50)

This release adds the following new features:

- [Added "Clean dark" and "Clean light" themes that are more clean and
modern looking](https://togithub.com/wekan/wekan/pull/5449).
    Thanks to abramchikd.

and adds the following updates:

-   Updated docs for WeKan version for Windows.
[Part
1](https://togithub.com/wekan/wekan/commit/9b428150a4fb9efdcb2ae9d3bb59d0da29529e69),
[Part
2](https://togithub.com/wekan/wekan/commit/3c35a6400b88e071a474a552ee941892522c8d59).
    Thanks to xet7.
-   Updated dependencies.
    [Part 1](https://togithub.com/wekan/wekan/pull/5446),
[Part
2](https://togithub.com/wekan/wekan/commit/99a8afd6c39591e0d85fe5f55ebc3016b9e7f011).
    Thanks to developers of dependencies.

and fixes the following bugs:

- [Task card may overflow below the screen when maximized, making the
bottom part not viewable](https://togithub.com/wekan/wekan/pull/5443).
    Thanks to Hekatomb.

Thanks to above GitHub users for their contributions and translators for
their translations.

</details>

---

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---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

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charts/stable/wekan/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 7.49.0
+appVersion: 7.50.0
 dependencies:
   - name: common
     version: 24.1.1
@@ -41,4 +41,4 @@ sources:
   - https://hub.docker.com/r/wekanteam/wekan
   - https://wekan.github.io/
 type: application
-version: 16.4.1
+version: 16.5.0

charts/stable/wekan/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: wekanteam/wekan
-  tag: v7.49@sha256:f2f15a7436c2f310d5bd7f88c54f3be4ea56caa8aab48692c66323a8f3ada89d
+  tag: v7.50@sha256:451239de2f14136ea5f6dd1ef10dd4f81c224a7066ef89434ec0dd2948cf3628
   pullPolicy: IfNotPresent
 service:
   main: