Update go.skia.org/infra in go.mod/go.sum

To pick up https://skia.googlesource.com/buildbot/+/e9c390189fa6ab596ffe4575b46f8f7a0cf1b59e

Updated with:
$ go get go.skia.org/infra@e9c390189fa6ab596ffe4575b46f8f7a0cf1b59e
$ make -C infra/bots train

Bug: skia:11034
Change-Id: Ic34a8007563953afd02ad51bcacb972e5bdf0973
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/344971
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
2 files changed