Rollup merge of #129619 - sunshowers:update-stacker, r=Mark-Simulacrum

Update stacker to 0.1.17

The main new feature is support for detecting the current stack size on illumos. (See [my blog post] for the context which led to this.)

[my blog post]: https://sunshowers.io/posts/rustc-segfault-illumos/

try-job: x86_64-mingw

Author: matthiaskrgr