fix: re-enable Loki with v6.10.0 and minimal working config

ansible/roles/observability/templates/loki-values.yaml.j2

@@ -4,13 +4,9 @@ loki:
   auth_enabled: false
   commonConfig:
     replication_factor: 1
-  limits_config:
-    retention_period: 168h
-    allow_structured_metadata: true
-    volume_enabled: true
   schemaConfig:
     configs:
-      - from: "2024-01-01"
+      - from: "2024-04-01"
         store: tsdb
         object_store: filesystem
         schema: v13
@@ -19,52 +15,20 @@ loki:
           period: 24h
   storage:
     type: filesystem
+  limits_config:
+    allow_structured_metadata: true
+    volume_enabled: true
+    retention_period: 168h
   pattern_ingester:
     enabled: true
   ruler:
     enable_api: true
 
-backend:
-  replicas: 0
-
-read:
-  replicas: 0
-
-write:
-  replicas: 0
-
-ingester:
-  replicas: 0
-
-querier:
-  replicas: 0
-
-queryFrontend:
-  replicas: 0
-
-queryScheduler:
-  replicas: 0
-
-distributor:
-  replicas: 0
-
-compactor:
-  replicas: 0
-
-indexGateway:
-  replicas: 0
-
-bloomCompactor:
-  replicas: 0
-
-bloomGateway:
-  replicas: 0
-
-gateway:
-  enabled: false
-
 singleBinary:
   replicas: 1
+  persistence:
+    size: {{ loki_storage_size }}
+    storageClass: {{ loki_storage_class }}
   resources:
     requests:
       cpu: 100m
@@ -72,10 +36,34 @@ singleBinary:
     limits:
       cpu: 500m
       memory: 1Gi
-  persistence:
-    enabled: true
-    storageClass: {{ loki_storage_class }}
-    size: {{ loki_storage_size }}
+
+backend:
+  replicas: 0
+read:
+  replicas: 0
+write:
+  replicas: 0
+ingester:
+  replicas: 0
+querier:
+  replicas: 0
+queryFrontend:
+  replicas: 0
+queryScheduler:
+  replicas: 0
+distributor:
+  replicas: 0
+compactor:
+  replicas: 0
+indexGateway:
+  replicas: 0
+bloomCompactor:
+  replicas: 0
+bloomGateway:
+  replicas: 0
+
+gateway:
+  enabled: false
 
 test:
   enabled: false