Update starlark targets with lib.rs.h dependency on module.rs.h

Author: dtolnay

tests/BUCK

@@ -32,6 +32,7 @@ cxx_library(
     ],
     headers = {
         "ffi/lib.rs.h": ":bridge/header",
+        "ffi/module.rs.h": ":module/header",
         "ffi/tests.h": "ffi/tests.h",
     },
     deps = ["//:core"],

tests/BUILD

@@ -35,6 +35,7 @@ cc_library(
     hdrs = ["ffi/tests.h"],
     deps = [
         ":bridge/include",
+        ":module/include",
         "//:core",
     ],
 )