chore: update docfx minimum Python version (#185)

* chore: update docfx minimum Python version * test: update test for python-asset deprecation * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: dandhlee

noxfile.py

@@ -220,7 +220,9 @@ def install_systemtest_dependencies(session, *constraints):
 @nox.session(python=["3.7", "3.8", "3.9"])
 @nox.parametrize(
  "library",
- ["python-asset"],
+ [
+ ("google-cloud-python", "google-cloud-asset"),
+ ],
  ids=["asset"],
 )
 def test(session, library):
@@ -230,6 +232,9 @@ def test(session, library):
  NOTE: The unit and system test functions above are copied from the templates.
  They will need to be updated when the templates change.
  """
+ package = ""
+ if type(library) == tuple:
+ library, package = library
  try:
  session.run("git", "-C", library, "pull", external=True)
  except nox.command.CommandFailed:
@@ -242,6 +247,8 @@ def test(session, library):
  )
 
  session.cd(library)
+ if package:
+ session.cd(f"packages/{package}")
  unit(session)
  # system tests are run 3.7 only
  if session.python == "3.7":
@@ -337,13 +344,15 @@ def docs(session):
  )
 
 
-@nox.session(python="3.9")
+@nox.session(python="3.10")
 def docfx(session):
  """Build the docfx yaml files for this library."""
 
  session.install("-e", ".")
  session.install(
- "sphinx==4.0.1", "alabaster", "recommonmark", "gcp-sphinx-docfx-yaml"
+ "gcp-sphinx-docfx-yaml",
+ "alabaster",
+ "recommonmark",
  )
 
  shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)