`dora run` vendors a `git:` node's source into git/ inside the checkout, and
pytest collected that node's tests along with these: running the webcam example
and then the test suite reported 67 tests, 26 of them another project's. A
failure there would have gone red here, for a reason no one would find quickly.
The example carried a caveat saying it validated but could not be run, because
a `git:` node could not be fetched. The organization is public now, so it can:
dora clones dora-webcam at the pinned tag, builds both nodes, and runs them
against a real camera to a clean exit.
The pin moves to v0.1.1, whose documentation shows the https URL. v0.1.0 points
at an ssh:// URL that dora cannot authenticate, so anyone copying the wiring out
of that tag would have hit the failure this example exists to demonstrate the
absence of.
What a `git:` node does require is still recorded, since it is not obvious:
anonymous read, which on Gitea means a public organization and not merely a
public repository.