message: Move json to upstream master
diff: @@ -7,12 +7,15 @@ shopt -s dotglob
  readonly name="nlohmann_json"
  readonly ownership="JSON For Modern C++ Upstream <robot@adios2>"
  readonly subtree="thirdparty/NLohmannJson/json"
  -#readonly repo="https://github.com/nlohmann/json.git"
  -#readonly tag="v3.1.2"
  -readonly repo="https://github.com/chuckatkins/json.git"
  -readonly tag="misc-cmake-packaging-enhancements"
  +readonly repo="https://github.com/nlohmann/json.git"
  +readonly tag="master"
  readonly shortlog="true"
  readonly paths="
  + CMakeLists.txt
  + LICENSE.MIT
  + cmake
  + include
  + single_include
  "
  extract_source () {
  