chore(deps): update container image wekanteam/wekan to v7.56@ef0717e by renovate (#25563)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [wekanteam/wekan](https://togithub.com/wekan/wekan) | minor | `v7.55`
-> `v7.56` |

---

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

---

### Release Notes

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

###
[`v7.56`](https://togithub.com/wekan/wekan/blob/HEAD/CHANGELOG.md#v756-2024-08-21-WeKan--release)

[Compare Source](https://togithub.com/wekan/wekan/compare/v7.55...v7.56)

This release adds the following updates:

-   Updated Browser compatibility matrix.
[Part
1](https://togithub.com/wekan/wekan/commit/cab285c34d1f159120ccd48b17a897e95bd48471),
[Part
2](https://togithub.com/wekan/wekan/commit/ec534c8cca3f0256091c2d870c128d26033d40ad).
- [Updated code of
conduct](https://togithub.com/wekan/wekan/commit/cae6f38b8070cfcc2f2529027f7e66b965a19f05).
    Thanks to xet7.
- [Updated Docker build
actions](https://togithub.com/wekan/wekan/pull/5505).
    Thanks to dependabot.
-   Updated docs for building custom Docker image.
    [Part 1](https://togithub.com/wekan/wekan/issues/5509),
[Part
2](https://togithub.com/wekan/wekan/commit/6d6d51310e4168cd0fc75f550d3af35df9ccef9f),
[Part
3](https://togithub.com/wekan/wekan/commit/a94cfd5b91d29f81e51e67ed03ba84f820d4892a).
- [Update mongodb chart version to 15.6.18 and enables wekan to be
deployed on an OpenShift
cluster](https://togithub.com/wekan/charts/pull/36).
    Thanks to fobrice.
- [Upgraded Snap Candidate MongoDB to
6.0.17](https://togithub.com/wekan/wekan/commit/d63d445b7d5da48c05d0fbd4e560c00283b1aef7).
    Thanks to MongoDB developers.

and fixes the following bugs:

- [Fix ModernDark Mobile View List
Titles](https://togithub.com/wekan/wekan/pull/5503).
    Thanks to walster001.
- [Fix apparmor denied in syslog at Snap
Candidate](https://togithub.com/wekan/wekan/commit/c3909edc5ee7a82b694b19ca7e022cbdfd12affd).
    Thanks to webenefits and xet7.

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: 7.55.0
+appVersion: 7.56.0
 dependencies:
   - name: common
     version: 24.1.5
@@ -41,4 +41,4 @@ sources:
   - https://hub.docker.com/r/wekanteam/wekan
   - https://wekan.github.io/
 type: application
-version: 16.11.0
+version: 16.12.0

charts/stable/wekan/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: wekanteam/wekan
-  tag: v7.55@sha256:fc3dda3a83ace239a49f40cfef1cc0b939eb24f339199e78a96b191ca3ba49fc
+  tag: v7.56@sha256:ef0717e68f34db53cadcdb8b91d09a61b5619bfff34f98ac6b77b2fed36ef0a5
   pullPolicy: IfNotPresent
 service:
   main: