Testing GHA with python 3.13

Author: nkongenelly

.github/workflows/unit_tests.yml

@@ -8,10 +8,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Set up Python 3.12
+    - name: Set up Python 3.13
       uses: actions/setup-python@v4
       with:
-        python-version: '3.12'
+        python-version: '3.13'
 
     - name: Install dependencies
       run: |