website: Update Linux kernel and bootloader tarball

The tarball contains the recently merged FEAT_PAuth bootlader fix [1]

[1]: https://gem5-review.googlesource.com/c/public/gem5/+/61069

Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Change-Id: I3b5c6db03c40b7f4be201a0b2d5f9c6e729936d8
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-website/+/61229
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Reviewed-by: Richard Cooper <richard.cooper@arm.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby Bruce <bbruce@ucdavis.edu>
diff --git a/_pages/documentation/general_docs/fullsystem/guest_binaries.md b/_pages/documentation/general_docs/fullsystem/guest_binaries.md
index 98b70d9..540fbbe 100644
--- a/_pages/documentation/general_docs/fullsystem/guest_binaries.md
+++ b/_pages/documentation/general_docs/fullsystem/guest_binaries.md
@@ -25,7 +25,7 @@
 
 The tarball below contains a set of binaries: the Linux kernel and a set of bootloaders
 
-* <http://dist.gem5.org/dist/v22-0/arm/aarch-system-20210904.tar.bz2>
+* <http://dist.gem5.org/dist/v22-0/arm/aarch-system-20220707.tar.bz2>
 
 ##### Latest Linux Disk Images (**recommended**)