[MAINT]: Bump junifer-data version to v5

[synchon]

• description of feature/fix
• tests added/passed
• add an entry for the latest changes

This PR bumps junifer-data to v5 and adds FreeSurfer 7.4.1 aseg parcellation to ParcellationRegistry.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.65%. Comparing base (afdfdde) to head (aee99bb).
⚠️ Report is 22 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #470      +/-   ##
==========================================
- Coverage   91.66%   91.65%   -0.01%     
==========================================
  Files         146      146              
  Lines        6009     5990      -19     
  Branches      961      954       -7     
==========================================
- Hits         5508     5490      -18     
  Misses        324      324              
+ Partials      177      176       -1     

Flag	Coverage Δ
docs	100.00% <ø> (ø)

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Files with missing lines	Coverage Δ
junifer/data/parcellations/_parcellations.py	92.65% <ø> (-0.36%)	⬇️
junifer/data/utils.py	100.00% <ø> (ø)

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[github-actions]

PR Preview Action v1.6.2
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2025-10-16 10:12 UTC

[synchon]

CI passes on juseless.