feat: update to safe-ds 0.17.1 + server refactor

[WinPlay02]

Summary of Changes

• updated to safe-ds 0.17.1 + dependencies
• temporarily disable python 3.12
• changed image encoding to match new safe-ds version
• removed jpeg test
• refactored server stuff from main.py into a new class in server.py

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	5	0	0	0.58s
✅ PYTHON	mypy	5		0	1.72s
✅ PYTHON	ruff	5	0	0	0.03s
✅ REPOSITORY	git_diff	yes		no	0.02s

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (cae05c5) 100.00% compared to head (9e86acd) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #37   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        11    +1     
  Lines          377       390   +13     
=========================================
+ Hits           377       390   +13     

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[lars-reimann]

Looks great!

[lars-reimann]

Is this still WIP or ready to merge?

[WinPlay02]

There is a warning printed on every runner startup since this update, which I am trying to fix, that's why it is still WIP

[WinPlay02]

It seems like the update to the new library version causes the runner to startup slower (probably because of the larger amount of dependencies).

For the record, this was the warning:

src/safeds_runner/server/main.py:202: MonkeyPatchWarning: Monkey-patching ssl after ssl has already been imported may lead to errors, including RecursionError on Python 3.6. It may also silently lead to incorrect behaviour on Python 3.7. Please monkey-patch earlier. See https://github.com/gevent/gevent/issues/1016. 
Modules that had direct imports (NOT patched): ['urllib3.util (venv\\Lib\\site-packages\\urllib3\\util\\__init__.py)', 'urllib3.util.ssl_ (venv\\Lib\\site-packages\\urllib3\\util\\ssl_.py)'].
  patch_all()

I refactored the main.py a bit to fix this.

[lars-reimann]

🎉 This PR is included in version 0.5.0 🎉

The release is available on:

• v0.5.0
• GitHub release

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