Update version and list of contributors before releasing 1.5

[ClaudiaComito]

Due Diligence

• General:
  • title of the PR is suitable to appear in the Release Notes
• Implementation:
  • unit tests: all split configurations tested
  • unit tests: multiple dtypes tested
  • benchmarks: created for new functionality
  • benchmarks: performance improved or maintained
  • documentation updated where needed

Description

Issue/s resolved: #

Changes proposed:

Type of change

Memory requirements

Performance

Does this change modify the behaviour of other functions? If so, which?

yes / no

[github-actions]

Thank you for the PR!

[github-actions]

Thank you for the PR!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.13%. Comparing base (8effbaa) to head (312632a).
Report is 3 commits behind head on release/1.5.x.

Additional details and impacted files

@@              Coverage Diff               @@
##           release/1.5.x    #1685   +/-   ##
==============================================
  Coverage          92.12%   92.13%           
==============================================
  Files                 83       83           
  Lines              12171    12171           
==============================================
+ Hits               11213    11214    +1     
+ Misses               958      957    -1     

Flag	Coverage Δ
unit	92.13% <100.00%> (+<0.01%)	⬆️

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[mrfh92]

looks fine :)
Thanks at @ClaudiaComito 👍