Update Rust OWNERS file to include libchromeos-rs/OWNERS

BUG=None
TEST=None

Change-Id: I207b4ed7ceb222a950d5acd697949d43494856c4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/5943542
Tested-by: Allen Webb <[email protected]>
Reviewed-by: George Burgess <[email protected]>
Auto-Submit: Allen Webb <[email protected]>
Commit-Queue: George Burgess <[email protected]>
1 file changed