Update Feed Server of WhaleDown 🐳

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os	arch	appcast
Android	aarch64	/macos/aarch64/appcast.xml
Windows	x86_64	/windows/x86_64/appcast.xml
macOS	x86_64	/macos/x86_64/appcast.xml
macOS	aarch64	/macos/aarch64/appcast.xml