Convert docker conformance test to go test framework

[dereknola]

Proposed Changes

• Convert the sonobuoy docker bash tests into the new go docker framework. Replaced sonobuoy with hydrophone. Hydrophone has the advantage of being a ginkgo wrapper around the compiled suite of upstream tests, so we can pipe its output directly into our GinkgoWriter, effectively giving us both our BDD level of It/Context statements and the conformance It/Context statements at a single output level.
• Replace ONLY the etcd and sqlite versions of sonobuoy for now, and only on the CRON Drone events, I tested these manually, but it takes a long time and I want to see consistent nightly conformance pass before all of the tests. I also am not touching the TAG events, I don't want to break releases.
• Replace more of the old docker tests in the Drone arm32 pipeline with the go test replacements.
• Add Eventually clause around a flaky section of the E2E btrfs test

Types of Changes

Testing

Verification

You can see the conformance test pass in this WIP version where I forced it to run on PR https://drone-pr.k3s.io/k3s-io/k3s/10508/1/5

Testing

Linked Issues

#11714
#11419

User-Facing Change

Further Comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.38%. Comparing base (bb79c2b) to head (0b0e4bc).
Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11643      +/-   ##
==========================================
- Coverage   49.69%   47.38%   -2.31%     
==========================================
  Files         186      186              
  Lines       19454    19461       +7     
==========================================
- Hits         9667     9221     -446     
- Misses       8397     8904     +507     
+ Partials     1390     1336      -54     

Flag	Coverage Δ
e2etests	40.32% <ø> (-3.82%)	⬇️
inttests	35.01% <ø> (+0.01%)	⬆️
unittests	16.94% <ø> (-0.01%)	⬇️

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