Upgrade CI build to use 8.13 instead of 8.11

Author: miguelgrinberg

.github/workflows/ci.yml

@@ -67,7 +67,7 @@ jobs:
           "3.11",
           "3.12",
         ]
-        es-version: [8.0.0, 8.11.0]
+        es-version: [8.0.0, 8.13.0]
 
     steps:
       - name: Checkout Repository