Reword README: "live at" -> "hosted at"

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: aclark4life

README.rst

@@ -1,7 +1,7 @@
 Pillow Website
 ==============
 
-This website is live at `python-pillow.github.io <https://python-pillow.github.io/>`_.
+This website is hosted at `python-pillow.github.io <https://python-pillow.github.io/>`_.
 
 It's a static site — plain HTML, CSS, and a touch of vanilla JS, with no build
 step or framework. GitHub Pages serves it directly from the ``main`` branch.