internal/gophers: add gomote to GitHub mapping for FiloSottile
internal/gophers: add gomote to GitHub mapping for FiloSottile

Change-Id: Ic8e64bc2affea0681d7b01b891879bcc9624fe78
Reviewed-on: https://go-review.googlesource.com/116635
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

golang/build,golang/build,golang/build,golang/build