chore(deps): update container image ich777/steamcmd to aaprovinggrounds@d21b2c4 by renovate (#26475)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| ich777/steamcmd | digest | `04bfbc7` -> `d21b2c4` |

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charts/stable/americasarmy-pg/Chart.yaml

@@ -33,4 +33,4 @@ sources:
   - https://hub.docker.com/r/ich777/steamcmd
   - https://www.americasarmy.com/
 type: application
-version: 7.1.6
+version: 7.1.7

charts/stable/americasarmy-pg/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: ich777/steamcmd
-  tag: aaprovinggrounds@sha256:04bfbc74b9757f8f28ca83a30db0e237f1d572cb4b074730e9d1ef609503833d
+  tag: aaprovinggrounds@sha256:d21b2c43c14b8c327c6919d84d3667fbd517c2f06f6f8b2293c65ab7655be712
 persistence:
   serverfiles:
     enabled: true