* Add pyodide_315 support
Guarded by cpython_prerelease for the moment.
* Update
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
* Update constraints to pyodide-build 0.39.0
* Update to 315.0.0a2
* Remove example versions
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>