Update github-actions.yml

.github/workflows/github-actions.yml

@@ -17,9 +17,10 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -e cellar/
           sudo apt-get update
           sudo apt-get install -y libxml2-dev libxslt1-dev
+          pip install -e cellar/
+          
      # pip install echr-extractor
       - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
       - run: echo "🖥️ The workflow is now ready to test your code on the runner."