fix: fix unstable workflow - git clone first Refs:#55

Author: nicoovh

.github/workflows/unstable.yml

@@ -96,6 +96,9 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
       - name: Get current date
         id: date
         run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT