Allow write permissions in workflow that creates auto merge PR #150

Job	Run time
Test without Docker / Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test with Docker / Linux (5.9 - jammy)	28s
Test with Docker / Windows (5.9 - windows-2022)	10m 56s
Test with Docker / Linux (5.10 - jammy)	31s
Test without Docker / Windows (5.9 - windows-2022)	3m 55s
Test with Docker / Windows (6.0 - windows-2022)	13m 36s
Test with Docker / Linux (6.0 - jammy)	32s
Test without Docker / Windows (6.0 - windows-2022)	3m 9s
Test with Docker / Windows (6.1 - windows-2022)	22m 16s
Test with Docker / Linux (6.1 - jammy)	33s
Test without Docker / Windows (6.1 - windows-2022)	2m 58s
Test with Docker / Windows (nightly - windows-2019)	9m 55s
Test with Docker / Linux (nightly-main - jammy)	40s
Test without Docker / Windows (nightly - windows-2022)	3m 19s
Test with Docker / Windows (nightly-6.1 - windows-2019)	9m 4s
Test with Docker / Linux (nightly-6.1 - jammy)	36s
Test without Docker / Windows (nightly-6.1 - windows-2022)	7m 49s
Soundness / Broken symlinks check	2s
Soundness / API breakage check	0s
Soundness / Documentation check	36s
Soundness / Format check	0s
Soundness / License headers check	5s
Soundness / Python lint check	9s
Soundness / Shell check	34s
Soundness / Unacceptable language check	5s
Soundness / YAML lint check	5s
	1h 31m 53s

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