Add babel to dependencies in build_deploy.yml

Author: PierreRaybaut

.github/workflows/build_deploy.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install build
+        pip install build babel
     - name: Compile translations
       run: |
         python -m guidata.utils.translations compile --name guidata --directory .