Introduce `multilineTrailingCommaBehavior` configuration #470

Job	Run time
Test / Linux (6.1 - jammy)	3m 24s
Test / Linux (5.9 - jammy)	2m 17s
Test / Linux (6.0 - jammy)	2m 29s
Test / Windows (5.9 - windows-2022)	11m 38s
Test / Linux (nightly-main - jammy)	4m 17s
Test / Linux (5.10 - jammy)	2m 14s
Test / Windows (6.1 - windows-2022)	12m 20s
Test / Linux (nightly-6.2 - jammy)	4m 47s
Test / Windows (nightly-6.2 - windows-2022)	16m 44s
Test / Embedded Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Swift SDK for Wasm Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test / Windows (6.0 - windows-2022)	10m 48s
Test / macOS (Xcode ${{ matrix.xcode_version }} - ${{ matrix.os_version }} - ${{ matrix.arch }})	0s
Test / Windows (nightly - windows-2022)	15m 23s
Soundness / Documentation check	2m 12s
Soundness / API breakage check	3m 44s
Test / Static Linux Swift SDK Build (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Soundness / Unacceptable language check	7s
Soundness / YAML lint check	6s
Soundness / Python lint check	9s
Soundness / Shell check	42s
Soundness / License headers check	6s
Soundness / Broken symlinks check	3s
Soundness / Format check	44s
	1h 34m 14s

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