v0.41.0

What's Changed

• Support dispatch queue by @sfod in #935
• Cleanup log and fix one flakey test by @TingDaoK in #954
• Update submodules by @sfod in #955
• Migrate to dispatch queue on macos by @sfod in #956

With the update to aws-c-io v0.24.0 macOS will now use Apple's Dispatch Queue, Network Framework, and Secitem to handle network connections and TLS negotiation.

Full Changelog: v0.40.3...v0.41.0