portage: sdk: Uprev bootstrap SDK to 2024.04.01.020054

New SDK tarballs should include dev-lang/python-3.8.16_p4-r6, which
has patches to ensure pyc reproducibility.  Upreving will allow us to
have a reproducible stage1 (at least for Python).

BUG=none
TEST=CQ

Change-Id: I749da836effd3f162df51099954f3ce2ea9ecd04
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/bazel/+/5408267
Auto-Submit: Jack Rosenthal <jrosenth@chromium.org>
Commit-Queue: Tim Bain <tbain@google.com>
Reviewed-by: Tim Bain <tbain@google.com>
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
1 file changed