fix: add epic_craterlake (with bhcal) to step export

[wdconinc]

Briefly, what does this PR introduce? Please link to any relevant presentations or discussions.

This PR reenables the BHcal in the full STEP export, since we want it to work and this is how we keep it working :-)

What is the urgency of this PR?

• High (please describe reason below)
• Medium
• Low

What kind of change does this PR introduce?

• Bug fix (issue: missing BHcal in testing)
• New feature (issue #__)
• Optimization (issue #__)
• Updated documentation
• other: __

Please check if any of the following apply

• This PR introduces breaking changes. Please describe changes users need to make below.
• This PR changes default behavior. Please describe changes below.
• AI was used in preparing this PR. Please describe usage below.

[Copilot]

Pull request overview

This PR updates the CI STEP-export workflow matrix to include the full epic_craterlake detector configuration (with BHCal enabled), restoring coverage for BHCal presence in full STEP export testing.

Changes:

• Add epic_craterlake to the detector_configs list passed to the reusable convert-to-step.yml workflow.

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[github-actions]

Capybara summary for PR 61

• sim_dis_10x100_minQ2=1000_epic_craterlake
• sim_dis_10x100_minQ2=1_epic_craterlake
• sim_dis_18x275_minQ2=1000_epic_craterlake
• sim_dis_18x275_minQ2=1_epic_craterlake
• sim_dis_5x41_minQ2=1_epic_craterlake
• sim_e_1GeV_20GeV_epic_craterlake
• sim_pi_1GeV_20GeV_epic_craterlake
  ^{_{Last updated 2026-05-22T21:06-04:00 ffaa3b9}}