Revert recent changes

Author: mcbarton

.github/actions/Jupyter-serve/action.yml

@@ -21,7 +21,7 @@ runs:
                        --contents notebooks/xeus-cpp-lite-demo.ipynb \
                        --contents notebooks/images/marie.png \
                        --contents notebooks/audio/audio.wav \
-                       --output-dir dist > /dev/tty 2>&1 &
+                       --output-dir dist &
         # There is a bug in nbdime after 3.2.0 where it will show the filenames as if there was a diff
         # but there is no diff with the options chosen below (the latest doesn't show a diff, just the filenames with +++
         # and --- as if it was planning to show a diff. This only happens for xeus-cpp-lite-demo.ipynb.
@@ -34,4 +34,4 @@ runs:
         # This sleep is to force enough time for the jupyter site to build before trying
         # to run notebooks in it. If you try to run the notebooks before the website is
         # ready the ci python script will crash saying ti cannot access the url
-        sleep 20
+        sleep 10