chore: enable 3.13 tests

Author: mhordynski

.github/workflows/ci.yml

@@ -153,7 +153,7 @@ jobs:
     strategy:
       fail-fast: false # do not stop all jobs if one fails
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     services:
       postgres: