* all: run gofumpt
https://github.com/mvdan/gofumpt
The main appeal for me here is that my (and many other peoples')
editors run this on save, so doing a single diff here
keeps other diffs minimal.
* .github/workflows: add gofumpt checker
* chore: Update dependencies in go.mod and go.sum
* chore: Update submodule commit for crypto
* refactor: Update hook functions to return ssh.PipePackageHookMethod for better integration
* fix: Increase sleep duration in TestFixed to ensure proper execution
* fix: Increase sleep duration in TestFixed to ensure proper file flush
* fix: Update docker-compose service images and modify test to use host-password-old
* refactor: Simplify hook functions to return error instead of PipePackageHookMethod for better error handling
* feat: Add reply-ping flag to enable ping response for compatibility with older sshd
* fix: Update subproject commit reference in crypto
