chore(helm): update image docker.io/wiserain/flexget digest to 1998455 (#34277)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[docker.io/wiserain/flexget](https://redirect.github.com/linuxserver/docker-baseimage-alpine/packages)
([source](https://redirect.github.com/wiserain/docker-flexget)) | digest
| `3f42a3e` -> `1998455` |

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:eyJjcmVhdGVkSW5WZXIiOiIzOS4yMzguMCIsInVwZGF0ZWRJblZlciI6IjM5LjIzOC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIiwibGFiZWxzIjpbImF1dG9tZXJnZSIsInJlbm92YXRlL2NvbnRhaW5lciIsInR5cGUvZGlnZXN0Il19-->

charts/stable/flexget/Chart.yaml

@@ -36,5 +36,5 @@ sources:
   - https://github.com/wiserain/docker-flexget
   - https://hub.docker.com/r/wiserain/flexget
 type: application
-version: 11.8.7
+version: 11.8.8
 

charts/stable/flexget/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/wiserain/flexget
   pullPolicy: IfNotPresent
-  tag: 3.15.31@sha256:3f42a3e0e769a7c20bb588b022961829860af2f15f152e1863ef945d5d76f0d9
+  tag: 3.15.31@sha256:1998455d5329a1ec7a39afe7234a8b5d1d06aead8969e7ef7a818e388c33c7ec
 securityContext:
   container:
     runAsNonRoot: false