Version 0.12.0 Changes: * OC-Wasm-related crates will be versioned in lockstep, starting from 0.12.0. This means that equal version numbers should now be compatible with each other. Maintenance: * Bumped `minicbor` dependency to version 0.21. * Bumped `oc-wasm-futures` dependency to version 0.12. * Bumped `oc-wasm-safe` dependency to version 0.12.