Secure Shell (stable) updated to 0.68

[Mike Frysinger]

i've just released Secure Shell (stable) 0.68 which has a few bugfixes, and a lot of work on porting mosh to WASM.  i have it working locally, but need to figure out a few pieces before shipping it.

Secure Shell (nassh) ChangeLog:

# 0.68, 2025-02-03, Mosh WASM work.

* wassh: Fix popup on disconnection when using relay.
* relays: Add egress-domain parameter support.
* connect: Drop unused startup message argument.
* ssh_client: openssl: Respect custom CFLAGS too.
* ssh_client: Improve build-time support.
* ssh_client: wassh-libc-sup: Implement very basic recvmsg.
* ssh_client: mandoc: Unify command to avoid duplication a bit.
* wassh: sockets: Fix recvmsg address setup.
* ssh_client: Add ncurses 6.1.
* wassh: sockets: Support MSG_DONTWAIT non-blocking reads.
* wassh: sockets: Refactor base Socket class for UDP.
* ssh_client: wassh-libc-sup: Stub out rlimit APIs.
* ssh_client: wassh-libc-sup: Stub out sigprocmask.
* ssh_client: wassh-libc-sup: Stub out C++ exceptions ABIs.
* wasi-js-bindings: Fix monotonic clock resolution.
* wasi-js-bindings: poll: Only deliver signals when wassh ABI is available.
* wassh: sockets: Cleanup orphaned UDP sockets too.
* ssh_client: wassh-libc-sup: Stub out some pty APIs.
* ssh_client: wasi-sdk: Update to 24.0 release.
* ssh_client: binaryen: Update to 118 release.
* ssh_client: openssh: Add missing openssl/bn.h include.
* ssh_client: mosh: Add shortcut to get to connect dialog.
* ssh_client: mosh: Update to 1.4.0 release.
* nassh: Update translations.
* ssh_client: mosh: Update to libssh 0.9.8.
* ssh_client: bazel: Drop old 0.17.
* ssh_client: mosh-chrome: Update to newer version for newer bazel.
* ssh_client: bazel: Import version 5.

-mike