Merge branch 'develop' into dict-of-both

requirements.txt

@@ -12,5 +12,5 @@ pyarrow==15.0.2
 pandas==2.2.1
 scikit-learn==1.4.1.post1
 scipy==1.12.0
+typing_extensions==4.10.0
 typing_extensions==4.6.1
-git+https://github.com/palmb/fancy-collections@7436c90ba65e1acc4f3cb25b9cf83d8870b5c816

setup.py

@@ -47,7 +47,7 @@ setup(
     long_description_content_type="text/markdown",
     url="https://git.ufz.de/rdm-software/saqc",
     packages=find_packages(exclude=("tests", "docs")),
-    python_requires=">=3.8",
+    python_requires=">=3.9",
     install_requires=[
         "Click",
         "dtw",