add matrix to podman e2e test

[gauron99]

It seems that there are more strict linters now and matrix.os didnt exist for podman test. Adding it to run for amd and arm

[knative-prow]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[knative-prow]

@gauron99: The label(s) kind/<kind> cannot be applied, because the repository doesn't have them.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 54.70%. Comparing base (03e6a5b) to head (57d78e9).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3286      +/-   ##
==========================================
- Coverage   54.76%   54.70%   -0.07%     
==========================================
  Files         168      168              
  Lines       19594    19594              
==========================================
- Hits        10730    10718      -12     
- Misses       7800     7809       +9     
- Partials     1064     1067       +3     

Flag	Coverage Δ
e2e	40.30% <ø> (ø)
e2e go	36.26% <ø> (ø)
e2e node	31.70% <ø> (ø)
e2e python	35.90% <ø> (-0.09%)	⬇️
e2e quarkus	31.86% <ø> (ø)
e2e rust	31.29% <ø> (-0.02%)	⬇️
e2e springboot	31.34% <ø> (ø)
e2e typescript	31.82% <ø> (ø)
integration	17.68% <ø> (-0.03%)	⬇️
unit macos-14	44.39% <ø> (ø)
unit macos-latest	44.39% <ø> (ø)
unit ubuntu-24.04-arm	44.59% <ø> (ø)
unit ubuntu-latest	45.31% <ø> (ø)
unit windows-latest	44.41% <ø> (+<0.01%)	⬆️

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[matejvasek]

/approve
/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gauron99, matejvasek

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• OWNERS [gauron99,matejvasek]

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