Auto-release can hit a race condition when publishing the helix crate

[wagenet]

The helix crate depends on the libcruby-sys crate being published. crates.io apparently has a slight delay in the publish status showing up so trying to publish helix right after libcruby-sys can cause an error about libcruby-sys not being the correct version on crates.io. This might be as simple as adding a retry with sleep.