v0.9.8: Merge pull request #488 from BBasile/upd-stdx-alloc
update std alloc to v2.77.2 merged-on-behalf-of: BBasile <BBasile@users.noreply.github.com>
update std alloc to v2.77.2 merged-on-behalf-of: BBasile <BBasile@users.noreply.github.com>