chore(helm): update image docker.io/lancachenet/monolithic digest to 8749eca (#32778)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/lancachenet/monolithic | digest | `236246e` -> `8749eca` |

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

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### Configuration

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Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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charts/stable/lancache-monolithic/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/lancache-monolithic
   - https://hub.docker.com/r/lancachenet/monolithic
 type: application
-version: 10.5.3
+version: 10.5.4

charts/stable/lancache-monolithic/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/lancachenet/monolithic
   pullPolicy: IfNotPresent
-  tag: latest@sha256:236246e4815a4c0640aa8c0d09f4eae48244ef55085e7fb122a990e57344d5e3
+  tag: latest@sha256:8749eca7fc7ee8bcd9c356c27aaafca67eb33d283791e37078b7b2634631d9f7
 prefillImage:
   repository: ghcr.io/ich777/lancache-prefill
   pullPolicy: IfNotPresent