chore(deps): update container image mongodb to v12.8.0@a9c8425 by renovate (#19428)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [mongodb](https://truecharts.org/charts/stable/mongodb)
([source](https://www.mongodb.com)) | minor | `12.5.4` -> `12.8.0` |
| [mongodb](https://truecharts.org/charts/stable/mongodb)
([source](https://www.mongodb.com)) | minor | `12.7.9` -> `12.8.0` |

---

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

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these
updates again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

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

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yNTIuMCIsInVwZGF0ZWRJblZlciI6IjM3LjI4MC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/mongo-express/Chart.yaml

@@ -17,7 +17,7 @@ dependencies:
     tags: []
     import-values: []
   - name: mongodb
-    version: 12.5.4
+    version: 12.8.0
     repository: oci://tccr.io/truecharts
     condition: mongodb.enabled
     alias: ""
@@ -42,4 +42,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/mongo-express
   - https://hub.docker.com/_/mongo-express
 type: application
-version: 6.9.0
+version: 6.10.0

charts/stable/wekan/Chart.yaml

@@ -17,7 +17,7 @@ dependencies:
     tags: []
     import-values: []
   - name: mongodb
-    version: 12.7.9
+    version: 12.8.0
     repository: oci://tccr.io/truecharts
     condition: mongodb.enabled
     alias: ""
@@ -42,4 +42,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/wekan
   - https://hub.docker.com/r/wekanteam/wekan
 type: application
-version: 14.17.0
+version: 14.18.0

charts/stable/youtubedl-material/Chart.yaml

@@ -17,7 +17,7 @@ dependencies:
     tags: []
     import-values: []
   - name: mongodb
-    version: 12.5.4
+    version: 12.8.0
     repository: oci://tccr.io/truecharts
     condition: mongodb.enabled
     alias: ""
@@ -40,4 +40,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/youtubedl-material
   - https://ghcr.io/tzahi12345/youtubedl-material
 type: application
-version: 10.9.0
+version: 10.10.0