Update .github/workflows/publish.yml

Co-authored-by: Andrew Omondi <andrueastman@users.noreply.github.com>

Author: shemogumbe

.github/workflows/publish.yml

@@ -51,7 +51,7 @@ jobs:
     needs: [build]
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v2
         with: