ci: Do not persist credentials after checkout #653

Job	Run time
Settings / settings	3s
Lint / Lint	18s
Build docs / Build docs	30s
Official Docker image / Build	11m 37s
Build and test / Matrix configuration	9s
Test Linux distros / Matrix configuration	3s
Test Linux distros / Alpine	11m 52s
Test Linux distros / ArchLinux	11m 50s
Test Linux distros / CentOS	10m 37s
Test Linux distros / Debian	11m 40s
Test Linux distros / Fedora	10m 3s
Test Linux distros / OpenSUSE	10m 57s
Test Linux distros / Ubuntu	9m 54s
Build and test / linux x64 Debug static	9m 54s
Build and test / linux x64 Debug shared	9m 48s
Build and test / linux x64 Release static	12m 52s
Build and test / linux x64 Release shared	10m 8s
Build and test / osx x64 Debug static	33m 6s
Build and test / osx x64 Debug shared	26m 35s
Build and test / osx x64 Release static	23m 39s
Build and test / osx x64 Release shared	19m 3s
Build and test / osx arm64 Debug static	17m 35s
Build and test / osx arm64 Debug shared	17m 14s
Build and test / osx arm64 Release static	8m 40s
Build and test / osx arm64 Release shared	8m 5s
Build and test / win x64 Debug static	14m 43s
Build and test / win x64 Debug shared	14m 52s
Build and test / win x64 Release static	17m 52s
Build and test / win x64 Release shared	18m 5s
Build and test / linux arm64 Debug static	10m 18s
Build and test / linux arm64 Debug shared	9m 54s
Build and test / linux arm64 Release static	12m 43s
Build and test / linux arm64 Release shared	10m 12s
	6h 34m 51s

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