astro 5.0.0-beta.11

#12510 14feaf3 Thanks @bholmesdev! - Changes the generated URL query param from _astroAction to _action when submitting a form using Actions. This avoids leaking the framework name into the URL bar, which may be considered a security issue.

#12522 33b0e30 Thanks @ascorbic! - Fixes a bug where content config was ignored if it was outside of content dir and has a parent dir with an underscore
#12516 cb9322c Thanks @stramel! - Handle multiple root nodes on SVG files
#12511 d023682 Thanks @stramel! - Fix SVG Component sprite references
#12498 b140a3f Thanks @ematipico! - Fixes a regression where Astro was trying to access Request.headers