Add ability to create outgoing webhook w/ PATCH HTTP Method via the UI

Add ability to create outgoing webhook w/ PATCH HTTP Method via the UI: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). add the PATCH option to the list op http methods "GET", "POST", "PUT", "DELETE", "OPTIONS"