fix: add git checkout

Author: AdrianAulbach

.github/workflows/backend_workflow.yml

@@ -98,6 +98,9 @@ jobs:
       enable-build-push: ${{ steps.set-flags.outputs.enable_build_push }}
       enable-infrastructure-update: ${{ steps.set-flags.outputs.enable_infrastructure_update }}
     steps:
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
       - name: Get commit message
         id: get-commit
         run: |