Updated bgfx.cmake to latest. (#1669)

Co-authored-by: Branimir Karadzic <branimirkaradzic@gmail.com>

Author: bkaradzic-microsoft

CMakeLists.txt

@@ -35,7 +35,7 @@ FetchContent_Declare(base-n
     EXCLUDE_FROM_ALL)
 FetchContent_Declare(bgfx.cmake
     GIT_REPOSITORY https://github.com/BabylonJS/bgfx.cmake.git
-    GIT_TAG a0adee5ccad355a0b91f9247402ed422aaee4f2e
+    GIT_TAG be578c80f6c1c1e4d2b5baa163bd452f1d3b88fa
     EXCLUDE_FROM_ALL)
 FetchContent_Declare(CMakeExtensions
     GIT_REPOSITORY https://github.com/BabylonJS/CMakeExtensions.git