fix checksum for envoy configmap not covering lua

Author: shcherbak

charts/synapse/templates/envoy-deployment.yaml

@@ -18,7 +18,7 @@ spec:
       labels:
         {{- include "synapse-client-reader-envoy.selectorLabels" . | nindent 8 }}
       annotations:
-        checksum/config: {{ .Files.Get "scripts/envoy.yaml" | sha256sum }}
+        checksum/config: {{ include (print $.Template.BasePath "/envoy-configmap.yaml") $ | sha256sum }}
       {{- with .Values.envoyProxy.podAnnotations }}
         {{- toYaml . | nindent 8 }}
       {{- end }}