feat: compatibility with safe-ds v0.6.0 (#40)

### Summary of Changes

Integrate API changes of `safe-ds` v0.6.0.

Author: lars-reimann

docs/examples/titanic.ipynb

@@ -116,7 +116,7 @@
    "execution_count": null,
    "outputs": [],
    "source": [
-    "titanic_correlation = titanic.keep_columns([\n",
+    "titanic_correlation = titanic.keep_only_columns([\n",
     "    \"age\",\n",
     "    \"siblings_spouses\",\n",
     "    \"parents_children\",\n",

poetry.lock

@@ -14,7 +14,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = "^3.10"
-safe-ds = ">=0.5,<0.6"
+safe-ds = ">=0.6,<0.7"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.2.1"

pyproject.toml

@@ -48,7 +48,7 @@ def test_schema(self, house_sales: Table) -> None:
         )
 
     def test_columns_with_missing_values(self, house_sales: Table) -> None:
-        actual_column_names = {column.name for column in house_sales.list_columns_with_missing_values()}
+        actual_column_names = {column.name for column in house_sales.to_columns() if column.has_missing_values()}
 
         assert actual_column_names == set()
 

tests/safeds_examples/tabular/_house_sales/test_house_sales.py

@@ -42,7 +42,7 @@ def test_schema(self, titanic: Table) -> None:
         )
 
     def test_columns_with_missing_values(self, titanic: Table) -> None:
-        actual_column_names = {column.name for column in titanic.list_columns_with_missing_values()}
+        actual_column_names = {column.name for column in titanic.to_columns() if column.has_missing_values()}
 
         assert actual_column_names == {"age", "port_embarked", "fare", "cabin"}