Add Python 3.13 for testing

Author: zeroSteiner

.github/workflows/ci.yml

@@ -23,8 +23,11 @@ jobs:
             python-version: '3.10'
           - pipenv-version: '2023.2.4'
             python-version: '3.11'
-          - pipenv-version: '2024.0.1'
+          - pipenv-version: '2024.4.0'
             python-version: '3.12'
+          - pipenv-version: '2024.4.0'
+            python-version: '3.13'
+
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v2