Update windows 6.0 install to 6.0.3 #103

Job	Run time
Test without Docker / Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test without Docker / Windows (5.9 - windows-2022)	2m 53s
Test with Docker / Windows (5.9 - windows-2022)	6m 45s
Test without Docker / Windows (6.0 - windows-2022)	4m 45s
Test with Docker / Linux (5.8 - jammy)	25s
Test with Docker / Windows (6.0 - windows-2022)	9m 26s
Test without Docker / Windows (nightly - windows-2022)	4m 48s
Test with Docker / Linux (5.9 - jammy)	27s
Test with Docker / Windows (nightly - windows-2019)	8m 22s
Test without Docker / Windows (nightly-6.1 - windows-2022)	4m 51s
Test with Docker / Linux (5.10 - jammy)	26s
Test with Docker / Windows (nightly-6.1 - windows-2019)	9m 42s
Test with Docker / Linux (6.0 - jammy)	32s
Test with Docker / Linux (nightly-main - jammy)	37s
Test with Docker / Linux (nightly-6.1 - jammy)	38s
Soundness / API breakage check	0s
Soundness / Broken symlinks check	4s
Soundness / Documentation check	41s
Soundness / Format check	0s
Soundness / License headers check	7s
Soundness / Shell check	35s
Soundness / Unacceptable language check	5s
Soundness / YAML lint check	5s
Soundness / Python lint check	6s
	56m 20s

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