Bump tokio from 0.2.22 to 0.2.23#23

dependabot[bot] wants to merge 1 commit intocoderusty-celery/rusty-celery.github.io:codefrom

dependabot/cargo/tokio-0.2.23rusty-celery/rusty-celery.github.io:dependabot/cargo/tokio-0.2.23Copy head branch name to clipboard