chore: Don't fail prepare-release when build request is missing (#1865) #4215

Job	Run time
apple (macos-14, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	10m 48s
linux (jammy, 5.9)	9m 51s
apple (macos-14, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation) (a...	7m 53s
linux (jammy, 6.0)	10m 15s
apple (macos-14, Xcode_15.2, platform=visionOS Simulator,OS=1.0,name=Apple Vision Pro)	12m 42s
apple (macos-14, Xcode_15.2, platform=macOS)	12m 15s
apple (macos-15, Xcode_16.1, platform=iOS Simulator,OS=18.1,name=iPhone 16)	11m 45s
apple (macos-15, Xcode_16.1, platform=tvOS Simulator,OS=18.1,name=Apple TV 4K (3rd generation) (a...	6m 18s
apple (macos-15, Xcode_16.1, platform=visionOS Simulator,OS=2.1,name=Apple Vision Pro)	11m 0s
apple (macos-15, Xcode_16.1, platform=macOS)	8m 58s
	1h 41m 45s

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