Fix build workflow on CI

[jtpio]

This should fix #6347

There was some syntax errors in the workflow that prevented the check to run on CI.

[github-actions]

👈 Launch a Binder on branch jtpio/notebook/fix-ci

[jtpio]

Tests pass locally but CI fails here:

notebook/tests/conftest.py

Line 91 in 60f1f01

shutil.copytree(src, dst)

Doesn't seem to find the jupyterlab_server test data:

[jtpio]

Doesn't seem to find the jupyterlab_server test data:

This seems to be fixed by using Python 3.10 on CI in c5f24f7 (same version as used locally).

cc @blink1073 since this might affect other projects using jupyterlab_server.test_data in their tests.

[jtpio]

CI all green with the build workflows running again.

[blink1073]

cc @blink1073 since this might affect other projects using jupyterlab_server.test_data in their tests.

That's odd, thanks for the heads up!