Pyodide Updates - Githubissues

Description (e.g. "Related to ...", etc.)

This is for the unreleased 1.0 branch

Update main CI workflow to test on the released version of Python 3.11
Update version of Pyodide used in tests to latest release
Update glue code in example fountain extension to align with changes on the 1.0 branch

[ ] Pull request represents a single change (i.e. not fixing disparate/unrelated things in a single PR)
[ ] Title summarizes what is changing
[ ] Commit messages are meaningful (see this for details)
[ ] Tests have been included and/or updated, as appropriate
[ ] Docstrings have been included and/or updated, as appropriate
[ ] Standalone docs have been updated accordingly
[ ] CONTRIBUTORS.md was updated, as appropriate
[ ] Changelog has been updated, as needed (see CHANGELOG.md)