fix: make Toasts announce when rendered in NVDA (#7859)
* Fix so that Toasts are properly announced by NVDA when they render
* get rid of direct toast dep in favor of monopackage
* Update packages/@react-aria/toast/src/useToast.ts
Co-authored-by: Devon Govett <devongovett@gmail.com>
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Co-authored-by: Devon Govett <devongovett@gmail.com>
