chore(deps): update container image splunk/splunk to v9.3.0@ec4479b by renovate (#24593)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| splunk/splunk | minor | `9.2.2` -> `9.3.0` |

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

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This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xMy4zIiwidXBkYXRlZEluVmVyIjoiMzguMTMuMyIsInRhcmdldEJyYW5jaCI6Im1hc3RlciIsImxhYmVscyI6WyJhdXRvbWVyZ2UiLCJ1cGRhdGUvZG9ja2VyL2dlbmVyYWwvbm9uLW1ham9yIl19-->

charts/stable/splunk/Chart.yaml

@@ -6,7 +6,7 @@ annotations:
   truecharts.org/min_helm_version: "3.11"
   truecharts.org/train: stable
 apiVersion: v2
-appVersion: 9.2.2
+appVersion: 9.3.0
 dependencies:
   - name: common
     version: 24.1.5
@@ -34,4 +34,4 @@ sources:
   - https://hub.docker.com/r/splunk/splunk
   - https://splunk.github.io/docker-splunk
 type: application
-version: 9.1.6
+version: 9.2.0

charts/stable/splunk/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: splunk/splunk
-  tag: 9.2.2@sha256:c7208b641cdc2042d8355b754cd7f9a7a3b9feb0ffefecdb2714c816e7d33cfc
+  tag: 9.3.0@sha256:ec4479b588a6c6edf62bdc812fac92a563a1f0384dc63f9dbad55c35340fa763
 
 securityContext:
   container: