fix: e2e test status reporting incorrectly

[mattrunyon]

Fixes #2044

Infra PR https://github.com/deephaven/infra/pull/301

You can see the e2e-results job failed on my 2nd commit to this PR. It should fail if any of the matrix jobs fail or are cancelled.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.36%. Comparing base (0e22d11) to head (8f77c12).

❗ Current head 8f77c12 differs from pull request most recent head b0056b4

Please upload reports for the commit b0056b4 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2045   +/-   ##
=======================================
  Coverage   46.36%   46.36%           
=======================================
  Files         673      673           
  Lines       38780    38780           
  Branches     9826     9826           
=======================================
  Hits        17981    17981           
  Misses      20748    20748           
  Partials       51       51           

Flag	Coverage Δ
unit	46.36% <ø> (ø)

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