Update postgres to v17

[jstucke]

• update postgres from 14 to 17
• also fixed bugs:
  • fixed a bug in the init postgres script when the local postgres instance does not run on the default port
  • fixed a copy&paste bug in a test fixture

[dorpvom]

In the process of checking if the update works correctly

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 91.90%. Comparing base (50a0bf4) to head (a75e94a).
Report is 700 commits behind head on master.

Files with missing lines	Patch %	Lines
src/helperFunctions/install.py	0.00%	1 Missing ⚠️
src/init_postgres.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1245      +/-   ##
==========================================
- Coverage   95.33%   91.90%   -3.43%     
==========================================
  Files         347      376      +29     
  Lines       20034    21038    +1004     
==========================================
+ Hits        19099    19336     +237     
- Misses        935     1702     +767     

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