Add zlib and spz dependency.

kring · kring · commit 2063cca31452 · 2025-10-17T15:36:47.000+11:00
diff --git a/extern/cesium-native b/extern/cesium-native
@@ -1 +1 @@
-Subproject commit 56765ef3f262ba2ce79b70b998e823aedea76b40
+Subproject commit 0892990a73e888b824be57f841d1561cf9652d96
