Update golang.org/x/net to the tip of internal-branch.go1.19-vendor to
include CL 468335.
The contents of that CL were already merged into this branch in CL
468118, so this CL just brings go.mod back in line to matching the
actual vendored content.
For #58355
For #57855
Change-Id: Ie952744a5b2249f0c05afb7f86bebf872734b09a
Reviewed-on: https://go-review.googlesource.com/c/go/+/468303
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Than McIntosh <thanm@google.com>
Auto-Submit: Michael Pratt <mpratt@google.com>