fix(public-events-api): update PUBSUB_TOPIC to use selfHostedGcpProjectId (#834)

Author: moicalcob

chart/templates/public-events-api/configmap.yaml

@@ -21,7 +21,7 @@ data:
   PUBSUB_PROJECT_ID: {{ .Values.cartoConfigValues.selfHostedGcpProjectId | quote }}
   PUBSUB_CUSTOM_DOMAIN: {{ .Values.cartoConfigValues.pubsubDomain | quote }}
   PUBSUB_USE_REST_API: {{ .Values.cartoConfigValues.usePubSubRestApi | quote }}
-  PUBLIC_EVENTS_PUBSUB_TOPIC: "projects/{{ .Values.cartoConfigValues.cartoAccGcpProjectId }}/topics/{{ .Values.cartoConfigValues.cartoAccGcpProjectRegion }}-event-bus"
+  PUBLIC_EVENTS_PUBSUB_TOPIC: "projects/{{ .Values.cartoConfigValues.selfHostedGcpProjectId }}/topics/public-events"
   {{- if .Values.externalProxy.enabled }}
   HTTP_PROXY: {{ include "carto.proxy.computedConnectionString" . | quote }}
   http_proxy: {{ include "carto.proxy.computedConnectionString" . | quote }}