adopt wasm_encoder changes

Author: klensy

compiler/rustc_codegen_ssa/src/back/metadata.rs

@@ -656,7 +656,13 @@ pub fn create_metadata_file_for_wasm(sess: &Session, data: &[u8], section_name:
         imports.import(
             "env",
             "__linear_memory",
-            wasm_encoder::MemoryType { minimum: 0, maximum: None, memory64: true, shared: false },
+            wasm_encoder::MemoryType {
+                minimum: 0,
+                maximum: None,
+                memory64: true,
+                shared: false,
+                page_size_log2: None,
+            },
         );
     }