update checkout 5

Author: xuan-cao-swi

.github/workflows/run_unit_tests.yml

@@ -45,7 +45,7 @@ jobs:
 
     steps:
     - name: Checkout ${{ github.ref }}
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: print some info
       run: |