Merge pull request #9431 from jepler/board-doc-build

exclude circuitpython-stubs when building docs

Author: tannewt

conf.py

@@ -180,6 +180,7 @@ def autoapi_prepare_jinja_env(jinja_env):
                     ".venv",
                     ".direnv",
                     ".devcontainer/Readme.md",
+                    "circuitpython-stubs",
                     "data",
                     "docs/autoapi",
                     "docs/README.md",