[bitnami/thanos] fix context for statefulset (#14797)

The original fix for hardcoded apiversion used the wrong context in the
range statement which results in a template error.

Signed-off-by: Chris Alexander <crainte@hybridoptix.net>

bitnami/thanos/Chart.yaml

@@ -28,4 +28,4 @@ name: thanos
 sources:
   - https://github.com/bitnami/containers/tree/main/bitnami/thanos
   - https://thanos.io
-version: 12.0.3
+version: 12.0.4

bitnami/thanos/templates/storegateway/hpa-sharded.yaml

@@ -24,7 +24,7 @@ metadata:
   {{- end }}
 spec:
   scaleTargetRef:
-    apiVersion: {{ include "common.capabilities.statefulset.apiVersion" . }}
+    apiVersion: {{ include "common.capabilities.statefulset.apiVersion" $ }}
     kind: StatefulSet
     name: {{ printf "%s-storegateway-%s" (include "common.names.fullname" $) (toString $index) | trunc 63 | trimSuffix "-" }}
   minReplicas: {{ $.Values.storegateway.autoscaling.minReplicas }}