cd: drop python/3.9

.gitlab-ci.yml

@@ -1,7 +1,7 @@
 # This file is a template, and might need editing before it works on your project.
 # Official language image. Look for the different tagged releases at:
 # https://hub.docker.com/r/library/python/tags/
-image: $CI_DOCKER_REGISTRY/python:3.9
+image: $CI_DOCKER_REGISTRY/python:3.10
 
 workflow:
   rules:
@@ -97,22 +97,16 @@ pytest:
         coverage_format: cobertura
         path: coverage.xml
 
-tests-3.10:
+tests-3.11:
   stage: AdditionalTests
-  image: $CI_DOCKER_REGISTRY/python:3.10
+  image: $CI_DOCKER_REGISTRY/python:3.11
   needs: ["pytest"]
   script:
     - pytest -v --random-order ./tests
   allow_failure: true
 
-tests-3.11:
-  extends: "tests-3.10"
-  stage: AdditionalTests
-  image: $CI_DOCKER_REGISTRY/python:3.11
-  allow_failure: true
-
 tests-3.12:
-  extends: "tests-3.10"
+  extends: "tests-3.11"
   stage: AdditionalTests
   image: $CI_DOCKER_REGISTRY/python:3.12
   allow_failure: true

.pylintrc

@@ -52,7 +52,7 @@ persistent=yes
 
 # Minimum Python version to use for version dependent checks. Will default to
 # the version used to run pylint.
-py-version=3.9
+py-version=3.10
 
 # When enabled, pylint would attempt to guess common misconfiguration and emit
 # user-friendly hints instead of false-positive error messages.

setup.cfg

@@ -15,7 +15,7 @@ classifiers =
 package_dir =
     = .
 packages = find:
-python_requires = >=3.9
+python_requires = >=3.10
 
 [options.packages.find]
 where = .