chore(deps): update container image xwiki to 16.8.0-postgres-tomcat@42ae779 by renovate (#27482)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| xwiki | digest | `173a51b` -> `42ae779` |

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charts/stable/xwiki/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://github.com/xwiki/xwiki-docker
   - https://hub.docker.com/_/xwiki
 type: application
-version: 14.6.2
+version: 14.6.3

charts/stable/xwiki/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: xwiki
-  tag: 16.8.0-postgres-tomcat@sha256:173a51b805e3bcdbc0ed382c1f0b0945ca5f34829dd0b90e95a3d2ba2264cd33
+  tag: 16.8.0-postgres-tomcat@sha256:42ae7792f7f4fbd0930119661c5b3d191fd602542ad82c83fae5ddb91d34c83b
   pullPolicy: IfNotPresent
 service:
   main: