Update json commit

Author: sovrasov

src/cpp/CMakeLists.txt

@@ -37,7 +37,9 @@ find_package(OpenVINO REQUIRED
              COMPONENTS Runtime Threading)
 
 include(FetchContent)
-FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.3/json.tar.xz)
+FetchContent_Declare(json GIT_REPOSITORY https://github.com/nlohmann/json.git
+                          GIT_TAG d41ca94fa85d5119852e2f7a3f94335cc7cb0486  # PR #4709, fixes cmake deprecation warnings
+                    )
 FetchContent_MakeAvailable(json)
 
 file(GLOB MODELS_SOURCES ./models/src/*.cpp)