change the upload uri to the original one.

[TWith2Sugars]

It looks like this got changed when moving to FAKE5

Here is the original uri: https://github.com/fsharp/FAKE/blob/921b7ce5df10ff627046ed123185774660c0d48f/src/app/FakeLib/AzureWebJobs.fs#L64

[matthid]

@panesofglass was there a reason to change this?

[matthid]

thanks!

[panesofglass]

@matthid no, I didn't change it intentionally.