CI: Drop py36, add py310

.gitlab-ci.yml

@@ -88,12 +88,6 @@ variables:
     - bash ./.ci/unit_tests.sh
 
 
-test:3.6:
-  stage: test
-  image: python:3.6
-  <<: *test_template
-
-
 test:3.7:
   stage: test
   image: python:3.7
@@ -112,6 +106,12 @@ test:3.9:
   <<: *test_template
 
 
+test:3.10:
+  stage: test
+  image: python:3.10
+  <<: *test_template
+
+
 #############
 # Style stage
 #############