feat: add simulate errors metrics · informalsystems/hermes@f9de23d

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions-rs/toolchain@v1, actions-rs/cargo@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.