feat: Pyodide 0.28 release (#2487)

* Bump testing version to 0.28.0

* Bump Pyodide constraints

* Add Pyodide 0.28.0 identifier

* Override to a different, alpha version for testing

* Update docs for Pyodide versions everywhere

* Add comment on using older Pyodide alpha version

* Bump to `"cp313*"` for compatibility

* Drop identifier for Pyodide 0.28.0a3

* Add back Pyodide 0.28.0a3 identifier

* Add helpful comment about pyodide-prerelease option

* Fix test and add a comment about it

* Keep one Pyodide version per Python version

* Fix docs for `pyodide-prerelease`; Python ➡️ Pyodide

* Update utils.py

* Drop CI test step for overridden Pyodide version

Suggested-by: Joe Rickerby <joerick@mac.com>

---------

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>

.github/workflows/test.yml

@@ -233,19 +233,6 @@ jobs:
       env:
         CIBW_PLATFORM: pyodide
 
-    - name: Run a sample build (GitHub Action) for an overridden Pyodide version
-      uses: ./
-      with:
-        package-dir: sample_proj
-        output-dir: wheelhouse
-        # In case this breaks at any point in time, switch to using the latest version
-        # available or any other version that is not the same as the default one set
-        # in cibuildwheel/resources/build-platforms.toml.
-      env:
-        CIBW_PLATFORM: pyodide
-        CIBW_BUILD: "cp312*"
-        CIBW_PYODIDE_VERSION: "0.27.6"
-
     - name: Run tests with 'CIBW_PLATFORM' set to 'pyodide'
       run: |
         uv run --no-sync ./bin/run_tests.py