op-challenger: Fix mutually exclusive flags used by cannon executor

[Inphi]

Fix the challenger's invocation of cannon for the interop case.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.40%. Comparing base (059849d) to head (bc19081).
Report is 15 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #15004       +/-   ##
============================================
+ Coverage    46.51%   66.40%   +19.88%     
============================================
  Files         1149       61     -1088     
  Lines        98727     4813    -93914     
============================================
- Hits         45927     3196    -42731     
+ Misses       49497     1439    -48058     
+ Partials      3303      178     -3125     

Flag	Coverage Δ
cannon-go-tests-32	62.08% <ø> (-2.00%)	⬇️
cannon-go-tests-64	57.13% <ø> (-1.64%)	⬇️
contracts-bedrock-tests	?

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see 1097 files with indirect coverage changes

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