Drop Python 3.8 support, add Python 3.10 and 3.11 support

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

.gitlab-ci.yml

@@ -2,14 +2,6 @@ stages:
   - test
   - quality-assurance
 
-py38:
-  stage: test
-  image: python:3.8-alpine
-  before_script:
-    - apk add --no-cache libmagic
-    - pip install tox --no-cache-dir
-  script: tox -e py38
-
 py39:
   stage: test
   image: python:3.9-alpine
@@ -18,6 +10,22 @@ py39:
     - pip install tox --no-cache-dir
   script: tox -e py39
 
+py310:
+  stage: test
+  image: python:3.10-alpine
+  before_script:
+    - apk add --no-cache libmagic
+    - pip install tox --no-cache-dir
+  script: tox -e py310
+
+py311:
+  stage: test
+  image: python:3.11-alpine
+  before_script:
+    - apk add --no-cache libmagic
+    - pip install tox --no-cache-dir
+  script: tox -e py311
+
 linters:
   stage: quality-assurance
   image: python:3-alpine