Add partial_transpose to quantum_info.linalg_operations

[renatomello]

Needs to be merged before #1456

Checklist:

• Reviewers confirm new code works as expected.
• Tests are passing.
• Coverage does not decrease.
• Documentation is updated.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.94%. Comparing base (68bdb98) to head (76b5490).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1462   +/-   ##
=======================================
  Coverage   99.94%   99.94%           
=======================================
  Files          81       81           
  Lines       11740    11757   +17     
=======================================
+ Hits        11733    11750   +17     
  Misses          7        7           

Flag	Coverage Δ
unittests	99.94% <100.00%> (+<0.01%)	⬆️

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