package/json-for-modern-cpp: bump version to 3.6.1

Updated license hash after upstream bumped copyright year:
https://github.com/nlohmann/json/commit/b37392b7ace1a830d95b7140bc6b449bd7c70a34#diff-8d416c704c45322db422b7169afb686a

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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	e0b1fc6cc6ca05706cce99118a87aca5248bd9db3113e703023d23f044995c1d	json-v3.5.0.tar.gz
-sha256	7b875bb7a4e28abb7956ea821b4b7d88ff6a2a4fabf261c3993730a365ec56dd	LICENSE.MIT
+sha256	80c45b090e40bf3d7a7f2a6e9f36206d3ff710acfa8d8cc1f8c763bb3075e22e	json-v3.6.1.tar.gz
+sha256	7400586ce89c6a2cc65f6ca46997da5d356a230673d3a211e040b783f23578a1	LICENSE.MIT

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

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-JSON_FOR_MODERN_CPP_VERSION = v3.5.0
+JSON_FOR_MODERN_CPP_VERSION = v3.6.1
 JSON_FOR_MODERN_CPP_SOURCE = json-$(JSON_FOR_MODERN_CPP_VERSION).tar.gz
 JSON_FOR_MODERN_CPP_SITE = $(call github,nlohmann,json,$(JSON_FOR_MODERN_CPP_VERSION))
 JSON_FOR_MODERN_CPP_LICENSE = MIT