repo: pull in v1.13.4 changes
repo: pull in v1.13.4 changes

This is mostly for Python 3 improvements.

Bug: gerrit:10418
Change-Id: Ice96b8dc5f700015ae6ec53c0e5b86700bcf6532
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1734587
Auto-Submit: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>
Reviewed-by: Alex Klein <2fd779bbdd073689e34d5245e21281f364230fdd@chromium.org>
Commit-Queue: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools