chore: update docfx minimum Python version (#545)

* chore: update docfx minimum Python version Source-Link: googleapis/synthtool@bc07fd4 Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:30470597773378105e239b59fce8eb27cc97375580d592699206d17d117143d0 * update docfx nox session to use python 3.10 --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com> Co-authored-by: Anthonios Partheniou <partheniou@google.com>

Author: gcf-owl-bot[bot]

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
  image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
- digest: sha256:4f9b3b106ad0beafc2c8a415e3f62c1a0cc23cabea115dbe841b848f581cfe99
-# created: 2023-10-18T20:26:37.410353675Z
+ digest: sha256:30470597773378105e239b59fce8eb27cc97375580d592699206d17d117143d0
+# created: 2023-11-03T00:57:07.335914631Z

.github/workflows/docs.yml

@@ -28,7 +28,7 @@ jobs:
  - name: Setup Python
  uses: actions/setup-python@v4
  with:
- python-version: "3.9"
+ python-version: "3.10"
  - name: Install nox
  run: |
  python -m pip install --upgrade setuptools pip wheel

noxfile.py

@@ -232,7 +232,7 @@ def docs(session):
  )
 
 
-@nox.session(python="3.9")
+@nox.session(python="3.10")
 def docfx(session):
  """Build the docfx yaml files for this library."""