[DOC] Update Copyright holders

[surchs]

• See Update the copyright of all licenses planning#116

Changes proposed in this pull request:

Checklist

• PR has an interpretable title with a prefix ([ENH], [FIX], [REF], [TST], [CI], [MNT], [INF], [MODEL], [DOC]) (see https://neurobagel.org/contributing/pull_requests for more info)
• PR has a label for the release changelog or skip-release (to be applied by maintainers only)
• PR links to GitHub issue with mention Closes #XXXX
• Tests pass
• Checks pass

For new features:

• Tests have been added

For bug fixes:

• There is at least one test that would fail under the original bug conditions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (042944f) 97.97% compared to head (dc199bd) 97.97%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #276   +/-   ##
=======================================
  Coverage   97.97%   97.97%           
=======================================
  Files          13       13           
  Lines         741      741           
=======================================
  Hits          726      726           
  Misses         15       15           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[coveralls]

Pull Request Test Coverage Report for Build 7984936167

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.715%

---

Totals
Change from base Build 7722760387:	0.0%
Covered Lines:	1400
Relevant Lines:	1404

---

💛 - Coveralls

[rmanaem]

🧑‍🍳