[Infra] Replace `xcpretty` with `xcbeautify` in build.sh #4960

Job	Run time
spm-package-resolved	1m 1s
iOS-Device (macos-14, Xcode_15.3)	6m 40s
swift-build-run (macos-15, Xcode_16, spm)	11m 43s
swift-build-run (macos-14, Xcode_15.3, spm)	27m 8s
iOS-Device (macos-15, Xcode_16)	2m 16s
platforms (tvOS)	9m 17s
platforms (macOS)	8m 34s
platforms (catalyst)	7m 24s
	1h 14m 3s

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