[MAINT]: Bump numpy version

[synchon]

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

This PR bumps numpy version constraints to make junifer compatible with julearn.

[codecov]

Codecov Report

Merging #241 (44993d3) into main (ed651e4) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #241   +/-   ##
=======================================
  Coverage   93.12%   93.12%           
=======================================
  Files          84       84           
  Lines        3695     3695           
  Branches      709      709           
=======================================
  Hits         3441     3441           
  Misses        160      160           
  Partials       94       94           

Flag	Coverage Δ
docs	100.00% <ø> (ø)
junifer	93.12% <ø> (ø)

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