feat: compatibility with safe-ds v0.7.0

[lars-reimann]

Summary of Changes

Integrate API changes of safe-ds v0.7.0.

[lars-reimann]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ PYTHON	black	2	0	0	0.58s
✅ PYTHON	flake8	2		0	0.33s
✅ PYTHON	isort	2	0	0	0.24s
✅ PYTHON	mypy	2		0	1.48s
✅ PYTHON	pylint	2		0	1.5s
✅ REPOSITORY	git_diff	yes		no	0.04s

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[codecov]

Codecov Report

Merging #42 (91f00ea) into main (4bc0b53) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##              main       #42   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines           18        18           
=========================================
  Hits            18        18           

Impacted Files	Coverage Δ
...feds_examples/tabular/_house_sales/_house_sales.py	100.00% <100.00%> (ø)
src/safeds_examples/tabular/_titanic/_titanic.py	100.00% <100.00%> (ø)

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[lars-reimann]

🎉 This PR is included in version 0.8.0 🎉

The release is available on:

• v0.8.0
• GitHub release

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