refactor: update dependencies and modernize git integration}
* Update package dependencies to latest versions in package-lock.json and yarn.lock * Refactor git.js with improved command handling and error management * Simplify github.js API integration logic * Update .npmignore to exclude additional build and development files * Enhance README documentation with updated setup instructions * Modernize git command wrapper in src/command/git.js * Reduce overall bundle size through dependency optimization