feat(container): update image ghcr.io/grafana/helm-charts/loki ( 6.38.0 ➔ 6.39.0 )

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This PR contains the following updates:

Package	Update	Change
ghcr.io/grafana/helm-charts/loki (source)	minor	6.38.0 -> 6.39.0

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[unsc-oni-ancilla]

--- kubernetes/apps/observability/loki/app Kustomization: observability/loki OCIRepository: observability/loki

+++ kubernetes/apps/observability/loki/app Kustomization: observability/loki OCIRepository: observability/loki

@@ -11,9 +11,9 @@

 spec:
   interval: 5m
   layerSelector:
     mediaType: application/vnd.cncf.helm.chart.content.v1.tar+gzip
     operation: copy
   ref:
-    tag: 6.38.0
+    tag: 6.39.0
   url: oci://ghcr.io/grafana/helm-charts/loki
 

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--- HelmRelease: observability/loki StatefulSet: observability/loki

+++ HelmRelease: observability/loki StatefulSet: observability/loki

@@ -123,12 +123,14 @@

       affinity:
         podAntiAffinity:
           requiredDuringSchedulingIgnoredDuringExecution:
           - labelSelector:
               matchLabels:
                 app.kubernetes.io/component: single-binary
+                app.kubernetes.io/instance: loki
+                app.kubernetes.io/name: loki
             topologyKey: kubernetes.io/hostname
       volumes:
       - name: tmp
         emptyDir: {}
       - name: config
         configMap: