chore(deps): update container image grafana/grafana-image-renderer to latest@5447747 by renovate (#18454)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/grafana-image-renderer | digest | `748842f` -> `5447747` |

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

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### Configuration

📅 **Schedule**: Branch creation - "before 10pm on monday" in timezone
Europe/Amsterdam, Automerge - At any time (no schedule defined).

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rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy4yMDMuMSIsInVwZGF0ZWRJblZlciI6IjM3LjIwMy4xIiwidGFyZ2V0QnJhbmNoIjoibWFzdGVyIn0=-->

charts/stable/grafana-image-renderer/Chart.yaml

@@ -23,7 +23,7 @@ icon: https://truecharts.org/img/hotlink-ok/chart-icons/grafana-image-renderer.p
 keywords:
   - grafana-image-renderer
   - Productivity
-kubeVersion: ">=1.24.0-0"
+kubeVersion: '>=1.24.0-0'
 maintainers:
   - name: TrueCharts
     email: info@truecharts.org
@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/grafana-image-renderer
   - https://hub.docker.com/r/grafana/grafana-image-renderer
 type: application
-version: 4.2.0
+version: 4.2.1

charts/stable/grafana-image-renderer/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: grafana/grafana-image-renderer
-  tag: latest@sha256:748842f9ce6068976f4a20687be8e4f6f2a3246e4dfa516d71461e5193908d4c
+  tag: latest@sha256:544774751dc7b28899ef1546daab60015c2d41be7247f43cf10248e57efb5390
 persistence: {}
 portal:
   open: