MNT: Remove support for Python 3.8

CHANGELOG.md

@@ -29,6 +29,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Labfolder converter. It was broken anyway, not used by anyone we know and there were no automated
   tests.  For the time being, it lives on in the `f-labfolder-converter` branch, [issue 67](https://gitlab.com/linkahead/linkahead-advanced-user-tools/-/issues/67) is
   there to coordinate resurrections efforts if someone needs it..
+- Support for Python 3.8
 
 ### Fixed ###
 

setup.py

@@ -154,7 +154,7 @@ def setup_package():
         long_description_content_type="text/markdown",
         author='Henrik tom Wörden',
         author_email='h.tomwoerden@indiscale.com',
-        python_requires='>=3.8',
+        python_requires='>=3.9',
         install_requires=["linkahead>=0.13.1",
                           "jsonref",
                           "jsonschema[format]>=4.4.0",