Bump Substrate WASM builder (#947)

bridges/bin/millau/runtime/build.rs

@@ -14,13 +14,12 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity Bridges Common.  If not, see <http://www.gnu.org/licenses/>.
 
-use wasm_builder_runner::WasmBuilder;
+use substrate_wasm_builder::WasmBuilder;
 
 fn main() {
 	WasmBuilder::new()
 		.with_current_project()
-		.with_wasm_builder_from_crates("1.0.11")
-		.export_heap_base()
 		.import_memory()
+		.export_heap_base()
 		.build()
 }