CoDICE l2 sw species attribute fix

[lacoak21]

Change Summary

closes #3464

Overview

Fix the attribute dimension switch.

[Copilot]

🟡 Changes recommended

The shared attribute removal incorrectly detaches CoDICE Lo L1B energy variables and labels from their esa_step dimension.

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Pull request overview

Fixes CoDICE L2 solar-wind species energy-axis metadata.

Changes:

• Swaps the species dimension to physical energy-per-charge.
• Adds CDF round-trip and dependency assertions.
• Updates CDF attributes and generated version metadata.

File summaries

File	Description
codice_l2.py	Switches the L2 species energy dimension.
test_codice_l2.py	Tests CDF loading and dependencies.
imap_codice_l1b_variable_attrs.yaml	Removes L1B energy dependencies.
_version.py	Updates generated version metadata.

Review details

Suppressed comments (1)

imap_processing/cdf/config/imap_codice_l1b_variable_attrs.yaml:19

• The label is also produced on esa_step for every CoDICE Lo L1B product (codice_l1b.py:77-89), so deleting this dependency leaves those L1B labels detached from their axis. Restore the L1B metadata; the L2 branch explicitly changes the copied label's dependency to energy_per_charge.

    CATDESC: Energy per charge

• Files reviewed: 4/4 changed files
• Comments generated: 1
• Review effort level: Balanced

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[leowerneck]

LGTM. I approved because I'm not sure the imap_processing/_version.py change is supposed to be made or not (my understanding is it shouldn't be updated). In either case, the fix (if required) it simple enough that doesn't warrant a new review.