fix dependency update

.github/workflows/update-dependencies.yml

@@ -49,6 +49,7 @@ jobs:
 
     - name: Create and switch to a new branch
       run: |
+        git pull --rebase origin master
         git checkout -b update-dependencies-${{ env.BRANCH_DATE }}
         git add poetry.lock
         git commit -m "Update dependencies" || echo "No changes to commit"