Add 3.13 to matrix

Author: jdrew82

.github/workflows/ci.yml

@@ -145,7 +145,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: ["3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
         poetry-version: ["1.8.5"]
     runs-on: "ubuntu-24.04"
     env: