Use local libssh Zig wrapper and bump libssh to 0.12.0 - #4

Use local libssh Zig wrapper and bump libssh to 0.12.0#4

precla wants to merge 3 commits into

mainactonlang/acton-ssh:mainfrom

libssh_no_actonlang_forkactonlang/acton-ssh:libssh_no_actonlang_forkCopy head branch name to clipboard