Upgraded 4 packages to upstream.

Upgraded dev-python/cached-property to version 1.5.1 on amd64
Upgraded dev-python/cffi to version 1.14.0-r2 on amd64
Upgraded dev-python/pycparser to version 2.20 on amd64
Upgraded dev-python/pygit2 to version 1.2.1 on amd64

BUG=chromium:1127371
TEST=sudo emerge -j pygit2

Cq-Depend: chromium:2406634
Change-Id: I3b8414ca00b5db73fe68541124cd1af3e2b8a4ea
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/2404210
Tested-by: Allen Webb <allenwebb@google.com>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Allen Webb <allenwebb@google.com>
21 files changed