Fix docstring

[apetenchea]

Fixing the users parameter docstring for the Database.create_database function.
The official documentation states that only the root user will be added by default, if no users are specified.
The docstring is incorect because it claims that also the "current user" is included.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.70%. Comparing base (0f46b50) to head (e7b5a6b).
Report is 2 commits behind head on main.

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❗ There is a different number of reports uploaded between BASE (0f46b50) and HEAD (e7b5a6b). Click for more details.

HEAD has 31 uploads less than BASE

Flag	BASE (0f46b50)	HEAD (e7b5a6b)
	32	1

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #350       +/-   ##
===========================================
- Coverage   95.94%   83.70%   -12.25%     
===========================================
  Files          26       26               
  Lines        4296     4296               
===========================================
- Hits         4122     3596      -526     
- Misses        174      700      +526     

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