Split Test Suite steps

[JasonAtClockwork]

Description of Changes

Split of Test Suite to finish up: #5839

• Split Rust tests into one build job and four shards
• Run doctests and UI tests in the Rust build job
• Group serial and feature tests into their own job
• Run C# and C++ tests in separate jobs
• Reduce debug info to keep test artifacts smaller (was over 5GB)

API and ABI breaking changes

No breaking changes

Rollback safety impact

n/a

Expected complexity level and risk

1 - Just splitting up CI

Testing

• 90% just passing through CI making sure the timing is solid
• Little local run through to make sure ci cargo test is good

[JasonAtClockwork]

After doing the work on splitting sdk-test from Test Suite I'm starting to think I should put the sdk-test under the cargo ci test house again but leave it broken apart for CI. That way for local dev work if you want to run it all it's the single command and not two. Thoughts?