feat!: Flexible checksum v2 (#1803) #1495

Job	Run time
apple (macos-14, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	14m 34s
apple (macos-14, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	14m 34s
linux (jammy, 5.9)	11m 49s
linux (jammy, 5.9)	12m 28s
apple (macos-14, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation) (a...	15m 14s
apple (macos-14, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generation) (a...	15m 14s
linux (jammy, 6.0)	12m 52s
linux (jammy, 6.0)	12m 52s
apple (macos-14, Xcode_15.2, platform=visionOS Simulator,OS=1.0,name=Apple Vision Pro)	17m 53s
apple (macos-14, Xcode_15.2, platform=visionOS Simulator,OS=1.0,name=Apple Vision Pro)	17m 53s
apple (macos-14, Xcode_15.2, platform=macOS)	16m 22s
apple (macos-14, Xcode_15.2, platform=macOS)	16m 22s
apple (macos-15, Xcode_16.1, platform=iOS Simulator,OS=18.1,name=iPhone 16)	9m 48s
apple (macos-15, Xcode_16.1, platform=iOS Simulator,OS=18.1,name=iPhone 16)	9m 48s
apple (macos-15, Xcode_16.1, platform=tvOS Simulator,OS=18.1,name=Apple TV 4K (3rd generation) (a...	9m 20s
apple (macos-15, Xcode_16.1, platform=tvOS Simulator,OS=18.1,name=Apple TV 4K (3rd generation) (a...	9m 20s
apple (macos-15, Xcode_16.1, platform=visionOS Simulator,OS=2.1,name=Apple Vision Pro)	9m 42s
apple (macos-15, Xcode_16.1, platform=visionOS Simulator,OS=2.1,name=Apple Vision Pro)	9m 42s
apple (macos-15, Xcode_16.1, platform=macOS)	9m 29s
apple (macos-15, Xcode_16.1, platform=macOS)	9m 29s
	4h 14m 45s

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