downgrade bitflags to 1.X, our backend fails with 2.X

Author: Firestar99

Cargo.lock

@@ -13,7 +13,7 @@ workspace = true
 [dependencies]
 spirv-std-types.workspace = true
 spirv-std-macros.workspace = true
-bitflags = "2.9.1"
+bitflags = "1.3.2"
 bytemuck = { version = "1.18.0", features = ["derive"], optional = true }
 
 [target.'cfg(target_arch = "spirv")'.dependencies]