nlohmann json update to 3.12.0 (#803)

* update nlohmann_json 3.12.0

Author: AndreiSvatko

cmake/configs/default.cmake

@@ -420,7 +420,7 @@ hunter_default_version(nanosvg VERSION 0.0.0-2b08dee-p0)
 hunter_default_version(ncnn VERSION 20180314-p2)
 hunter_default_version(ncursesw VERSION 6.1)
 hunter_default_version(nlohmann_fifo_map VERSION 0.0.0-0dfbf5d-p1)
-hunter_default_version(nlohmann_json VERSION 3.11.2)
+hunter_default_version(nlohmann_json VERSION 3.12.0)
 hunter_default_version(nng VERSION 1.1.1)
 hunter_default_version(nsync VERSION 1.14-p1)
 hunter_default_version(occt VERSION 7.4.0-p0)

cmake/projects/nlohmann_json/hunter.cmake

@@ -227,6 +227,13 @@ hunter_add_version(
     SHA1 1b0701dc7fdc068aad8ce68fc3e019a038232437
 )
 
+hunter_add_version(
+    PACKAGE_NAME nlohmann_json
+    VERSION "3.12.0"
+    URL "https://github.com/nlohmann/json/archive/v3.12.0.tar.gz"
+    SHA1 815212d8acbddc87009667c52ba98a8404efec18
+)
+
 hunter_cmake_args(nlohmann_json CMAKE_ARGS JSON_BuildTests=OFF)
 
 hunter_pick_scheme(DEFAULT url_sha1_cmake)