[ci] Fix

Author: nemesifier

Diff for: .github/workflows/ci.yml

@@ -25,8 +25,8 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - 3.9
-          - 3.10
+          - "3.9"
+          - "3.10"
         django-version:
           - django~=3.2.0
           - django~=4.2.0