Updated CI matrix. (#1074)

* Stopped testing against Django 3.0.
* Stopped testing against Python 3.5.
* Added Python 3.10 to test matrix.

.github/workflows/ci.yml

@@ -13,8 +13,6 @@ jobs:
       fail-fast: false
       matrix:
         versions:
-          - python: 3.5
-            toxenv: py35-2.2.X
           - python: 3.6
             toxenv: py36-2.2.X
           - python: 3.7
@@ -24,15 +22,6 @@ jobs:
           - python: 3.9
             toxenv: py39-2.2.X
 
-          - python: 3.6
-            toxenv: py36-3.0.X
-          - python: 3.7
-            toxenv: py37-3.0.X
-          - python: 3.8
-            toxenv: py38-3.0.X
-          - python: 3.9
-            toxenv: py39-3.0.X
-
           - python: 3.6
             toxenv: py36-3.1.X
           - python: 3.7
@@ -50,12 +39,15 @@ jobs:
             toxenv: py38-3.2.X
           - python: 3.9
             toxenv: py39-3.2.X
+          - python: "3.10"
+            toxenv: py310-3.2.X
 
           - python: 3.8
             toxenv: py38-4.0.X
           - python: 3.9
             toxenv: py39-4.0.X
-
+          - python: "3.10"
+            toxenv: py310-4.0.X
 
     runs-on: ubuntu-latest
     steps:

tox.ini

@@ -1,17 +1,16 @@
 [tox]
 envlist =
-    {py35,py36,py37,py38,py39}-2.2.X
-    {py36,py37,py38,py39}-3.0.X
+    {py36,py37,py38,py39}-2.2.X
     {py36,py37,py38,py39}-3.1.X
-    {py36,py37,py38,py39}-3.2.X
-    {py38,py39}-4.0.X
+    {py36,py37,py38,py39,py310}-3.2.X
+    {py38,py39,,py310}-4.0.X
 [testenv]
 basepython =
-    py35: python3.5
     py36: python3.6
     py37: python3.7
     py38: python3.8
     py39: python3.9
+    py310: python3.10
 usedevelop = true
 setenv =
     CPPFLAGS=-O0
@@ -21,7 +20,6 @@ commands =
     make test
 deps =
     2.2.X: Django>=2.2,<2.3
-    3.0.X: Django>=3.0,<3.1
     3.1.X: Django>=3.1,<3.2
     3.2.X: Django>=3.2,<4.0
     4.0.X: Django>=4.0a1,<5.0