fix: vendor observability charts

infrastructure/charts/loki/templates/results-cache/poddisruptionbudget-results-cache.yaml

@@ -0,0 +1,20 @@
+{{- if and .Values.resultsCache.enabled (.Values.memcached.enabled) }}
+{{- if gt (int .Values.resultsCache.replicas) 1 }}
+apiVersion: {{ include "loki.pdb.apiVersion" . }}
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "loki.fullname" . }}-memcached-results-cache
+  namespace: {{ include "loki.namespace" . }}
+  labels:
+    {{- include "loki.selectorLabels" . | nindent 4 }}
+    app.kubernetes.io/component: memcached-results-cache
+spec:
+  selector:
+    matchLabels:
+      {{- include "loki.selectorLabels" . | nindent 6 }}
+      app.kubernetes.io/component: memcached-results-cache
+  {{- with .Values.resultsCache.maxUnavailable }}
+  maxUnavailable: {{ . }}
+  {{- end -}}
+{{- end -}}
+{{- end }}

infrastructure/charts/loki/templates/results-cache/service-results-cache-headless.yaml

@@ -0,0 +1 @@
+{{- include "loki.memcached.service" (dict "ctx" $  "memcacheConfig" .Values.resultsCache "valuesSection" "resultsCache" "component" "results-cache" ) }}

infrastructure/charts/loki/templates/results-cache/statefulset-results-cache.yaml

@@ -0,0 +1 @@
+{{- include "loki.memcached.statefulSet" (dict "ctx" $ "memcacheConfig" .Values.resultsCache "valuesSection" "resultsCache" "component" "results-cache" ) }}