update cesium-native to main

baothientran · baothientran · commit b558f762ebfb · 2021-05-03T10:46:17.000-04:00
diff --git a/extern/cesium-native b/extern/cesium-native
@@ -1 +1 @@
-Subproject commit 28ccced087e4539b16ecfbe4055469ca28447096
+Subproject commit d8cfd2c0a8dbc75e19d8c305d3f235f66370c6c1
