ci: add checkout step to create-release job

Author: milindsrivastava1997

.github/workflows/docker.yml

@@ -135,6 +135,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - name: Create GitHub Release
         run: gh release create ${{ github.ref_name }} --generate-notes --title "${{ github.ref_name }}"
         env: