chore(deps): update container image mikeah/prusaslicer-novnc to latest@644eff9 by renovate (#18607)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| mikeah/prusaslicer-novnc | digest | `c218037` -> `644eff9` |

---

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

---

### Configuration

📅 **Schedule**: Branch creation - "before 10pm on monday" in timezone
Europe/Amsterdam, 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://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yMTQuMCIsInVwZGF0ZWRJblZlciI6IjM3LjIxNC4wIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/prusaslicer-novnc/Chart.yaml

@@ -24,7 +24,7 @@ keywords:
   - prusaslicer-novnc
   - home-automation
   - Productivity
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -35,4 +35,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/prusaslicer-novnc
   - https://hub.docker.com/r/mikeah/prusaslicer-novnc
 type: application
-version: 8.1.2
+version: 8.1.3

charts/stable/prusaslicer-novnc/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: mikeah/prusaslicer-novnc
-  tag: latest@sha256:c218037608ced9c50c8c9546a9d7ef0a615e4b1ebb94972360affd5da41c9a1b
+  tag: latest@sha256:644eff9b0ca3f2e304686fb0556ee2c25a8278cf7b2e71db379ba3e996a03bf5
 persistence:
   configsfolder:
     enabled: true