Make xbuildenv subcommand public (#15)

This makes `pyodide xbuildenv` subcommand public so users can search and
install different versions of Pyodide build env.

- [x] changelog

---------

Co-authored-by: Hood Chatham <[email protected]>

Author: ryanking13

CHANGELOG.md

@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- `pyodide xbuildenv` subcommand is now publicly available.
+  [#15](https://github.com/pyodide/pyodide-build/pull/15)
+
 ## [0.27.3] - 2024/07/17
 
 - It is now possible to override `_f2c_fixes.py` file, with `_f2c_fixes_wrapper` variable.

pyodide_build/cli/xbuildenv.py

@@ -12,7 +12,7 @@
 
 DIRNAME = xbuildenv_dirname()
 
-app = typer.Typer(hidden=True, no_args_is_help=True)
+app = typer.Typer(no_args_is_help=True)
 
 
 @app.callback()