Change log for PROOFPOINT_SER

Date	Changes
2024-11-20	Enhancement: - Mapped "data.throughput" and "data.totalThroughput" to "additional.fields". - Mapped "metadata.totalThroughput" to "additional.fields". - Mapped "principal_host" to "principal.hostname". - Mapped "principal_port" to "principal.port". - Mapped "desc" to metadata.description". - Added support for new pattern of JSON logs.
2024-10-03	Enhancement: - Mapped "data.name" to "metadata.description". - Mapped "data.relayUserId" to "principal.user.product_object_id". - Mapped "data.throughputLimit", "data.averageDailyThroughput", "data.throughputForecast", "data.remainingThroughput", "data.acceptedThroughput", "data.licenseStartDate", "data.licenseEndDate", "data.average7DayThroughput", "data.average30DayThroughput", "data.requestedMessages", "data.acceptedMessages", "data.sentMessages", "data.deliveredMessages", "data.avgAcceptedMessageSize", "data.blockedMessages", "data.quarantinedMessages", "data.rejectedMessages", "data.requestedThroughput", "data.totalMessages", and "data.undeliveredMessages" to "additional.fields".
2023-08-29	Newly created parser.