LibWeb: Enable in Windows CI

Author: https://github.com/ayeteadoe
Commit: dbba6c0df9
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5215
Reviewed-by: https://github.com/ADKaster ✅

Libraries/LibMedia/Audio/PlaybackStream.cpp

@@ -8,7 +8,11 @@
 
 namespace Audio {
 
+#if !defined(AK_OS_WINDOWS)
 ErrorOr<NonnullRefPtr<PlaybackStream>> __attribute__((weak)) PlaybackStream::create(OutputState, u32, u8, u32, AudioDataRequestCallback&&)
+#else
+ErrorOr<NonnullRefPtr<PlaybackStream>> PlaybackStream::create(OutputState, u32, u8, u32, AudioDataRequestCallback&&)
+#endif
 {
     return Error::from_string_literal("Audio output is not available for this platform");
 }