Merge branch 'loki-istio' into 'master'

Updated and tested loki istio annotation

Closes #964

See merge request platform-one/big-bang/bigbang!1219

chart/templates/logging/loki/values.yaml

@@ -21,4 +21,9 @@ networkPolicies:
   
 monitoring:
   enabled: {{ .Values.monitoring.enabled }}   
+
+{{- if .Values.istio.enabled }}
+podAnnotations:
+  {{ include "istioAnnotation" . }}
+{{- end }}
 {{- end -}}