auto/config: upgrade from hwe-20.04 to hwe-22.04 variant.

debian/changelog

@@ -1,6 +1,7 @@
 livecd-rootfs (2.762) UNRELEASED; urgency=medium
 
   * auto/config: drop support for 0c3.net domain, now obsolete.
+  * auto/config: upgrade from hwe-20.04 to hwe-22.04 variant.
 
  -- Dimitri John Ledkov <dimitri.ledkov@canonical.com>  Mon, 28 Mar 2022 11:51:44 +0100
 

live-build/auto/config

@@ -654,7 +654,7 @@ case $PROJECT in
 			canary)
 				touch config/universe-enabled
 				PASSES_TO_LAYERS="true"
-				KERNEL_FLAVOURS='generic-hwe-20.04'
+				KERNEL_FLAVOURS='generic-hwe-22.04'
 				add_task minimal minimal standard ubuntu-desktop-minimal ubuntu-desktop-minimal-default-languages
 				add_task minimal.standard ubuntu-desktop ubuntu-desktop-default-languages
 				add_task minimal.standard.live ubuntu-live
@@ -721,7 +721,7 @@ case $PROJECT in
 				LIVE_TASK='ubuntu-live'
 				add_task install minimal standard ubuntu-desktop
 				add_task live ubuntu-desktop-minimal-default-languages ubuntu-desktop-default-languages
-				KERNEL_FLAVOURS='generic-hwe-20.04'
+				KERNEL_FLAVOURS='generic-hwe-22.04'
 				if [ "$SUBARCH" = "intel-iot" ]; then
 					KERNEL_FLAVOURS='image-intel'
 					COMPONENTS='main restricted'