Update tests.yaml

change python 3.6 versison

.github/workflows/tests.yaml

@@ -18,13 +18,13 @@ jobs:
         include:
           # Django 2.2
           - django: "2.2"
-            python: "3.6"
+            python: "3.6.14"
           # Django 3.1
           - django: "3.1"
-            python: "3.6"
+            python: "3.6.14"
           # Django 3.2
           - django: "3.2"
-            python: "3.6"
+            python: "3.6.14"
           # Django 4.0
           - django: "4.0b1"
             python: "3.10"