Bug 1523562 [wpt PR 15096] - Update interfaces/wasm-js-api.idl, a=testonly

Automatic update from web-platform-tests
Update interfaces/wasm-js-api.idl (#15096)

Source: https://github.com/tidoust/reffy-reports/blob/71768cc/whatwg/idl/wasm-js-api.idl
Build: https://travis-ci.org/tidoust/reffy-reports/builds/484671880
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wpt-commits: 8ae1ddbc812733c3a73b103eafad56fb43a2f4b5
wpt-pr: 15096

testing/web-platform/tests/interfaces/wasm-js-api.idl

@@ -43,7 +43,7 @@ dictionary ModuleImportDescriptor {
 interface Module {
   static sequence<ModuleExportDescriptor> exports(Module moduleObject);
   static sequence<ModuleImportDescriptor> imports(Module moduleObject);
-  static sequence<ArrayBuffer> customSections(Module moduleObject, USVString sectionName);
+  static sequence<ArrayBuffer> customSections(Module moduleObject, DOMString sectionName);
 };
 
 [LegacyNamespace=WebAssembly, Constructor(Module module, optional object importObject), Exposed=(Window,Worker,Worklet)]