chore(deps): update container image grafana/grafana to v@27804c2 by renovate (#24575)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| grafana/grafana | digest | `cea3d0c` -> `27804c2` |

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This PR has been generated by [Renovate
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charts/premium/grafana/Chart.yaml

@@ -37,4 +37,4 @@ sources:
   - https://hub.docker.com/r/grafana/grafana
   - https://quay.io/kiwigrid/k8s-sidecar
 type: application
-version: 17.2.4
+version: 17.2.5

charts/premium/grafana/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: grafana/grafana
   pullPolicy: IfNotPresent
-  tag: 11.1.1@sha256:cea3d0c8e54b9e63f82b7baf607107e3c8842d7d3afafd728adca0303f4c2648
+  tag: 11.1.1@sha256:27804c29449ab61a2ad4060c2faaf6583a95841e88d6492146a9961f66912ef2
 
 sidecarImage:
   repository: quay.io/kiwigrid/k8s-sidecar