Add more file extensions to check-license-header.sh #108

Job	Run time
Test without Docker / Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test with Docker / Windows (5.9 - windows-2022)	6m 6s
Test with Docker / Linux (5.8 - jammy)	25s
Test with Docker / Windows (6.0 - windows-2022)	8m 2s
Test without Docker / Windows (5.9 - windows-2022)	2m 49s
Test with Docker / Linux (5.9 - jammy)	28s
Test with Docker / Windows (nightly - windows-2019)	8m 36s
Test without Docker / Windows (6.0 - windows-2022)	2m 47s
Test with Docker / Linux (5.10 - jammy)	27s
Test with Docker / Windows (nightly-6.1 - windows-2019)	12m 45s
Test without Docker / Windows (nightly - windows-2022)	4m 24s
Test with Docker / Linux (6.0 - jammy)	32s
Test without Docker / Windows (nightly-6.1 - windows-2022)	5m 46s
Test with Docker / Linux (nightly-main - jammy)	45s
Test with Docker / Linux (nightly-6.1 - jammy)	40s
Soundness / Broken symlinks check	2s
Soundness / Documentation check	36s
Soundness / API breakage check	0s
Soundness / Format check	0s
Soundness / License headers check	2s
Soundness / Python lint check	4s
Soundness / Shell check	29s
Soundness / Unacceptable language check	2s
Soundness / YAML lint check	2s
	55m 49s

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