Update GitHub Actions to use latest versions

Author: salmanmkc

.github/workflows/main.yml

@@ -17,9 +17,9 @@ jobs:
         sudo apt clean
         docker image prune -a -f
         df -h
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v6
       with:
         python-version: 3.11
     - name: Install dependencies