[Release-1.29] July Test Backports

[dereknola]

Proposed Changes

Backports for:

• Move test-compat docker test to GHA #10414
• For E2E upgrade test, automatically determine the channel to use #10461

Linked Issues

N/A Testing only changes

User-Facing Change

Further Comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.60%. Comparing base (b4b156d) to head (34d85b4).

❗ There is a different number of reports uploaded between BASE (b4b156d) and HEAD (34d85b4). Click for more details.

HEAD has 35 uploads less than BASE

Flag	BASE (b4b156d)	HEAD (34d85b4)
unittests	3	1
inttests	30	10
e2etests	18	5

Additional details and impacted files

@@               Coverage Diff                @@
##           release-1.29   #10508      +/-   ##
================================================
- Coverage         50.06%   43.60%   -6.47%     
================================================
  Files               163      163              
  Lines             14233    14233              
================================================
- Hits               7126     6206     -920     
- Misses             5762     6844    +1082     
+ Partials           1345     1183     -162     

Flag	Coverage Δ
e2etests	36.63% <ø> (-10.03%)	⬇️
inttests	37.07% <ø> (-0.05%)	⬇️
unittests	16.38% <ø> (ø)

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