Auto merge of #21725 - pyfisch:update-wr, r=jdm

Update Webrender

New version is
9156a4465f6ad715a0206cdd9a7e9a6f0385fbd6

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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because just updating WR

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components/canvas/webgl_thread.rs

@@ -635,7 +635,8 @@ impl<T: WebGLExternalImageApi> webrender::ExternalImageHandler for WebGLExternal
     /// The WR client should not change the image content until the unlock() call.
     fn lock(&mut self,
             key: webrender_api::ExternalImageId,
-            _channel_index: u8) -> webrender::ExternalImage {
+            _channel_index: u8,
+            _rendering: webrender_api::ImageRendering) -> webrender::ExternalImage {
         let ctx_id = WebGLContextId(key.0 as _);
         let (texture_id, size) = self.handler.lock(ctx_id);