chore(deps): update container image splunk/splunk to 9.2.1@d227c11 by renovate (#20229)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| splunk/splunk | digest | `b79ebcc` -> `d227c11` |

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This PR has been generated by [Renovate
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charts/stable/splunk/Chart.yaml

@@ -24,7 +24,7 @@ keywords:
   - splunk
   - Tools-Utilities
   - Network-Management
-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/splunk
   - https://hub.docker.com/r/splunk/splunk
 type: application
-version: 7.7.6
+version: 7.7.7

charts/stable/splunk/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: splunk/splunk
-  tag: 9.2.1@sha256:b79ebcc0317ca42cebe32b4b1a4198eb4e158ca55f2c972f445ca30be6ef9805
+  tag: 9.2.1@sha256:d227c115966cfc6fbb6e5a39fffc3a3b535d885ed268851ce57cdd3f2ad195da
 
 securityContext:
   container: