Fix typo

[charalamm]

Reason for this pull request

The field concerning the db port in the database configuration was wrong.

Proposed changes

Added the correct field

• Closes #xxxx
• [v] Tests added / passed
• [v] Fully documented, including docs/about/whats_new.rst for all changes

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (09e5c59) 91.84% compared to head (64bd2c6) 91.84%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1413   +/-   ##
========================================
  Coverage    91.84%   91.84%           
========================================
  Files          132      132           
  Lines        14466    14466           
========================================
  Hits         13286    13286           
  Misses        1180     1180           

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