astro 3.5.6

#9121 f4efd1c80 Thanks @peng! - Adds a warning if astro add fetches a package but returns a non-404 status
#9142 7d55cf68d Thanks @ematipico! - Consistely emit fallback routes in the correct folders.
#9119 306781795 Thanks @ematipico! - Fix a flaw in the i18n fallback logic, where the routes didn't preserve their metadata, such as hoisted scripts
#9140 7742fd7dc Thanks @martrapp! - View Transitions: handle clicks on SVGAElements and image maps"
#9101 e3dce215a Thanks @ematipico! - Add a new property Astro.currentLocale, available when i18n is enabled.