CI: add python 3.10 as regular target

Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>

Author: arthurzam

.github/workflows/test.yml

@@ -13,12 +13,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ['3.8', '3.9']
+        python-version: ['3.8', '3.9', '3.10']
         experimental: [false]
-        include:
-          - os: ubuntu-latest
-            python-version: '3.10.0-alpha - 3.10.0'
-            experimental: true
+        # include:
+        #   - os: ubuntu-latest
+        #     python-version: '3.10.0-alpha - 3.10.0'
+        #     experimental: true
 
     steps:
     - name: Checkout code