package/lightning: bump version to 2.2.2

Release notes:
https://lists.gnu.org/archive/html/lightning/2023-04/msg00004.html

Fixes:
http://autobuild.buildroot.net/results/c50/c50fa2d861c634eb0800cf551fc4a7e5fa5752bf/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/lightning/lightning.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  98671681d5684770ccb06a07fa3b8f032a454bdb56eafc18e6fab04459ea3caa  lightning-2.2.1.tar.gz
+sha256  0aca8242dead17d62117bcfcb078e6a9ea856cc81742813c9e8394bcce73b3e2  lightning-2.2.2.tar.gz
 sha256  a853c2ffec17057872340eee242ae4d96cbf2b520ae27d903e1b2fef1a5f9d1c  COPYING.LESSER

package/lightning/lightning.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIGHTNING_VERSION = 2.2.1
+LIGHTNING_VERSION = 2.2.2
 LIGHTNING_SITE = $(BR2_GNU_MIRROR)/lightning
 LIGHTNING_LICENSE = LGPL-3.0+
 LIGHTNING_LICENSE_FILES = COPYING.LESSER