tests/config: apply fresh clang format #286

Job	Run time
Clang Tidy	4s
Clippy	36s
Build+test (stable, ubuntu-latest)	2m 25s
Clippy nightly (optional)	30s
Build+test (stable, ubuntu-22.04)	1m 35s
Check for documentation errors	46s
Format	6s
Build+test (beta, ubuntu-latest)	1m 52s
Build+test (beta, ubuntu-22.04)	1m 46s
Miri	1m 6s
Packaging	3m 9s
Build+test (nightly, ubuntu-latest)	1m 54s
Produce release packages (fedora, 40, rpm)	3m 14s
Build+test (nightly, ubuntu-22.04)	1m 43s
Valgrind	2m 26s
Produce release packages (ubuntu, 24.04, deb)	2m 12s
	25m 24s

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