Add Python 3.12 and 3.13 to test matrix

.github/workflows/main.yaml

@@ -30,14 +30,16 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
+          - '3.12'
+          - '3.13'
         poetry-version:
           - '1.2.2'
           - '1.3.2'
           - '1.4.2'
           - '1.5.1'
           - '1.6.1'
           - '1.7.1'
-          - '1.8.1'
+          - '1.8.4'
         experimental: [false]
         include:
           - python-version: '3.11'