Fix style in dark_current

[nden]

Resolves JP-nnnn

This PR addresses style issues in the dark_current step.

Tasks

• If you have a specific reviewer in mind, tag them.
• add a build milestone, i.e. Build 12.0 (use the latest build if not sure)
• Does this PR change user-facing code / API? (if not, label with no-changelog-entry-needed)
  • write news fragment(s) in changes/: echo "changed something" > changes/<PR#>.<changetype>.rst (see changelog readme for instructions)
  • update or add relevant tests
  • update relevant docstrings and / or docs/ page
  • start a regression test and include a link to the running job (click here for instructions)
    • Do truth files need to be updated ("okified")?
      • after the reviewer has approved these changes, run okify_regtests to update the truth files
• if a JIRA ticket exists, make sure it is resolved properly

[codecov]

Codecov Report

❌ Patch coverage is 64.28571% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.86%. Comparing base (9c837cd) to head (70b454f).
⚠️ Report is 649 commits behind head on main.

Files with missing lines	Patch %	Lines
jwst/dark_current/dark_current_step.py	61.53%	5 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9457   +/-   ##
=======================================
  Coverage   77.86%   77.86%           
=======================================
  Files         362      362           
  Lines       36335    36335           
=======================================
  Hits        28294    28294           
  Misses       8041     8041           

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[tapastro]

Removing the dark_current module from the pre-commit and ruff config files should be part of this update - and will let you know if you've missed anything.

[tapastro]

LGTM

[emolter]

Looks good, but would you please run the regression tests just in case? (we have been doing so for all the other style changes)

[nden]

RT pass.
https://github.com/spacetelescope/RegressionTests/actions/runs/15023911130