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

To pick up recent changes in buildbot repo for SkCQ

Updated with:
$ go get go.skia.org/infra@83d167c8dec86a687170a81c1cd19ffc6eeab705
$ go mod download
$ make -C infra/bots train

Bug: skia:12242
Change-Id: I4cca5c90ca7ba0a3180b8703256fed4983061e46
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/430879
Commit-Queue: Ravi Mistry <rmistry@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
3 files changed