[risk=no] Add missing generated upload extension to .gitignore (#3566)
[risk=no] Add missing generated upload extension to .gitignore (#3566)


all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench,all-of-us/workbench