fix: add checkout action

Author: christianncode

.github/workflows/workflow-ci.yml

@@ -7,6 +7,9 @@ jobs:
   call-reusable-workflow:
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
       - name: Call CI Workflow
         uses: ./.github/workflows/reusable-workflow-CI.yml