fix: update Python setup action to version 5 in GitHub Actions workflow

Author: Devasy

.github/workflows/run-tests.yml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: '3.12'