Upgrade OF Pro connectors to Zap/structured logging

docs/cron-connector-0.6.3.tgz

docs/index.yaml

docs/kafka-connector-0.7.3.tgz

docs/mqtt-connector-0.4.7.tgz

docs/nats-connector-0.3.2.tgz

docs/openfaas-11.1.8.tgz

docs/postgres-connector-0.0.5.tgz

docs/pro-builder-0.3.8.tgz

docs/queue-worker-0.1.2.tgz

docs/sns-connector-0.1.1.tgz

docs/sqs-connector-0.2.2.tgz

yaml/alertmanager-dep.yml

yaml/prometheus-dep.yml