cq: Update the generated go proto file for Attempt
cq: Update the generated go proto file for Attempt

This was meant to be included with the change to the
proto file in:
https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/2145792

Bug: 1069250
Change-Id: Iee1e7a9f79c0f4f98b184d680e00bec5af788d7f
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/2149705
Reviewed-by: Andrii Shyshkalov <a30c74fa30536fe7ea81ed6dec202e35e149e1fd@google.com>
Commit-Queue: Quinten Yearsley <747cf52e0cef2e3e9371802a2d344b6c87126a4b@chromium.org>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go