package/json-for-modern-cpp: bump to version 3.9.0

Signed-off-by: Ignacy Gawędzki <ignacy.gawedzki@green-communications.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/json-for-modern-cpp/json-for-modern-cpp.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  7d0edf65f2ac7390af5e5a0b323b31202a6c11d744a74b588dc30f5a8c9865ba  json-3.8.0.tar.gz
+sha256  9943db11eeaa5b23e58a88fbc26c453faccef7b546e55063ad00e7caaaf76d0b  json-3.9.0.tar.gz
 sha256  50be9457e5c9faaba5e60d9c73f8eabe9e0737a2d9c3e58357d856661862c18e  LICENSE.MIT

package/json-for-modern-cpp/json-for-modern-cpp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-JSON_FOR_MODERN_CPP_VERSION = 3.8.0
+JSON_FOR_MODERN_CPP_VERSION = 3.9.0
 JSON_FOR_MODERN_CPP_SOURCE = json-$(JSON_FOR_MODERN_CPP_VERSION).tar.gz
 JSON_FOR_MODERN_CPP_SITE = $(call github,nlohmann,json,v$(JSON_FOR_MODERN_CPP_VERSION))
 JSON_FOR_MODERN_CPP_LICENSE = MIT