Documentation/process: update FUSE project website

According to the old project site, https://sourceforge.net/projects/fuse/
the project has moved to https://github.com/libfuse/ so we update the
link to point to the latest libfuse release.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/process/changes.rst

@@ -430,7 +430,7 @@ udev
 FUSE
 ----
 
-- <http://sourceforge.net/projects/fuse>
+- <https://github.com/libfuse/libfuse/releases>
 
 mcelog
 ------