upgrade to smithy v1.64.0 (#3246)

Author: lucix-aws

SMITHY_GO_CODEGEN_VERSION

@@ -1 +1 @@
-ed49224f03828a26529458a48ff56b9b0b4db45e
+9dbc5b22fed45a861a3782db7642bec232c5b0b3

codegen/gradle.properties

@@ -1,2 +1,2 @@
-smithyVersion=1.62.0
+smithyVersion=1.64.0
 smithyGradleVersion=0.7.0

codegen/smithy-aws-go-codegen/src/main/java/software/amazon/smithy/aws/go/codegen/AwsEventStreamUtils.java

@@ -1254,7 +1254,10 @@ public static void generateEventStreamSerializer(
                                  """, errof)
                             .write("")
                             .openBlock("switch vv := v.(type) {", "}", () -> {
-                                for (MemberShape member : eventUnion.members()) {
+                                var members = eventUnion.members().stream()
+                                        .filter(it -> it.getMemberTrait(model, ErrorTrait.class).isEmpty())
+                                        .toList();
+                                for (MemberShape member : members) {
                                     Symbol memberSymbol = SymbolUtils.createPointableSymbolBuilder(
                                                     symbolProvider.toMemberName(member),
                                                     eventUnionSymbol.getNamespace())
@@ -1336,7 +1339,7 @@ public static void generateEventMessageSerializer(
                                             memberShape, "v", operand -> {
                                                 writer.write("msg.Headers.Set($T, $T(\"text/plain\"))",
                                                         contentTypeHeader, stringValue);
-                                                writer.write("msg.Payload = []byte($L)", operand);
+                                                writer.write("msg.Payload = []byte(*$L)", operand);
                                             });
                                     writer.write("return nil");
                                     break;