Add Sable (#229)

* [WIP] Add support for Sable

* tweak sable controller

* echo_message: Add missing synchronization for Sable

* update sable

* whois: Simplify test

* WHO: Remove test for oper flag from testWhoChan

So it won't fail on Sable, which hides oper status

* WHO: Skip/xfail tests for Sable as needed

* Skip NakWhole when multi-prefix is not supported

* [WIP] Run Sable on CI

* working-directory is not setable on actions

* this isn't ergo

* this really isn't ergo

* minimize rust install and cache cargo deps

* Need to specify packages to install...

* Phony target

* Give up on 'cargo install', it seems to ignore the cache

* try again to cache the target dir

* This isn't Solanum

* Comment out BaseServicesController

* Parallelize Sable tests

* target is relative...

* sigh

* Fix prefix

* Re-add the other software

* chathistory: Test TOPIC is not sent unless event-playable is enabled

* sable: Dynamically generate certificates

This allows using custom server/services names

* sable: Enable services

* sable: Add support for account registration

Sable doesn't support REGISTER via NickServ

* sable: Lower log verbosity

* Fix lint

* Re-add Sable to CI

* Fix/skip tests on Sable

* Kill sable_services' subprocesses

* Bump Sable to include the labeled-response fix

* Bump Sable to the channel-rename downgrade fix

make_workflows.py

@@ -151,6 +151,7 @@ def get_test_job(*, config, test_config, test_id, version_flavor, jobs):
             env += (
                 f"PATH={software_config['prefix']}/sbin"
                 f":{software_config['prefix']}/bin"
+                f":{software_config['prefix']}"
                 f":$PATH "
             )