Add ability to include swift versions #142

Job	Run time
Test with Docker / Linux (5.9 - jammy)	27s
Test with Docker / Windows (5.9 - windows-2022)	13m 37s
Test with Docker / Linux (5.10 - jammy)	30s
Test with Docker / Windows (6.0 - windows-2022)	18m 20s
Test with Docker / Linux (6.0 - jammy)	31s
Test with Docker / Windows (nightly - windows-2019)	10m 35s
Test with Docker / Linux (6.1 - jammy)	31s
Test with Docker / Windows (nightly-6.0 - windows-2019)	9m 15s
Test with Docker / Linux (nightly-main - jammy)	35s
Test with Docker / Linux (nightly-6.1 - jammy)	34s
Test without Docker / Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test without Docker / Windows (5.9 - windows-2022)	5m 52s
Test without Docker / Windows (6.0 - windows-2022)	5m 42s
Test without Docker / Windows (nightly - windows-2022)	4m 56s
Test without Docker / Windows (nightly-6.0 - windows-2022)	3m 34s
Soundness / API breakage check	1s
Soundness / Documentation check	1s
Soundness / Unacceptable language check	1s
Soundness / License headers check	1s
Soundness / Broken symlinks check	1s
Soundness / Format check	1s
Soundness / Shell check	1s
Soundness / YAML lint check	1s
Soundness / Python lint check	1s
	1h 15m 8s

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