Update actions/checkout to v5 (#825)

Author: abdounikarim

.github/workflows/shellcheck.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Repository checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/tests.yml

@@ -30,7 +30,7 @@ jobs:
     steps:
 
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: 'sail'