chore(helm): update image ghcr.io/elfhosted/riven-frontend digest to c901b97 (#32621)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ghcr.io/elfhosted/riven-frontend | digest | `887739f` -> `c901b97` |

---

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

Add the preset `:preserveSemverRanges` to your config if you don't want
to pin your dependencies.

---

### 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 this update
again.

---

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

---

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

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xNzkuMSIsInVwZGF0ZWRJblZlciI6IjM5LjE3OS4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvZGlnZXN0Il19-->

charts/stable/riven/Chart.yaml

@@ -30,4 +30,4 @@ sources:
   - https://ghcr.io/elfhosted/riven-frontend
   - https://github.com/truecharts/charts/tree/master/charts/stable/riven
 type: application
-version: 1.1.2
+version: 1.1.3

charts/stable/riven/values.yaml

@@ -6,7 +6,7 @@ image:
 frontendImage:
   repository: ghcr.io/elfhosted/riven-frontend
   pullPolicy: IfNotPresent
-  tag: v0.18.0@sha256:887739f046337c09848596ac59c2aff9b442debcc41dd24b43e222579252cbb1
+  tag: v0.18.0@sha256:c901b97c5d24521d5350c3844fdd07dda877546adf9bdd41d1d19abe315ea27c
 
 service:
   main: