Fixes

Adding missing usage categories for Whatsapp Business API https://github.com/twilio/twilio-java/issues/703

The categories are: CHANNELS-WHATSAPP-OUTBOUND CHANNELS-WHATSAPP-INBOUND CHANNELS-MESSAGING-INBOUND CHANNELS-MESSAGING-OUBOUND https://www.twilio.com/docs/usage/api/usage-record#usage-whatsapp

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twilio / twilio-java