CI: up the version of actions/download-artefact #697

Job	Run time
Prepare	1s
Build (ubuntu-22.04, 6, own-quotient)	3m 44s
Build (ubuntu-22.04, 6, static)	2m 56s
Build (ubuntu-22.04, 6, dynamic)	2m 46s
Build (ubuntu-22.04, 6, GCC, own-quotient)	4m 16s
Build (ubuntu-22.04, 6, GCC, static)	4m 13s
Build (ubuntu-22.04, 6, GCC, dynamic)	4m 8s
Build (macos-latest, 6, own-quotient)	7m 16s
Build (macos-latest, 6, static)	6m 29s
Build (windows-latest, 6, own-quotient)	4m 2s
Build (windows-latest, 6, static)	3m 45s
Build (ubuntu-22.04, 5, own-quotient, appstream)	2m 59s
Build (ubuntu-22.04, 5, static)	2m 28s
Build (ubuntu-22.04, 5, dynamic, codeql)	3m 47s
Publish (macOS)	1m 1s
Publish (Linux)	45s
Publish (Windows)	1m 9s
	55m 45s

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