🦉 Updates from OwlBot

See https://github.com/googleapis/repo-automation-bots/blob/master/packages/owl-bot/README.md

Author: gcf-owl-bot[bot]

docs/conf.py

@@ -110,7 +110,6 @@
 # directories to ignore when looking for source files.
 exclude_patterns = [
     "_build",
-    "**/.nox/**/*",
     "samples/AUTHORING_GUIDE.md",
     "samples/CONTRIBUTING.md",
     "samples/snippets/README.rst",