Update FFI project cargo.toml

Author: dekomissMSFT

bindings/ffi/Cargo.toml

@@ -25,6 +25,7 @@ codegen-units = 1
 [features]
 default = ["ast", "std", "coverage", "regorus/arc", "regorus/full-opa"]
 ast = ["regorus/ast"]
+azure_policy = ["regorus/azure_policy"]
 std = ["regorus/std"]
 coverage = ["regorus/coverage"]
 custom_allocator = []