Properly log panics with slog (#5075) #1216

Job	Run time
extract-version	1s
extract-version	1s
build-docker-lcli	10m 20s
build-docker-lcli	10m 20s
build-docker-aarch64	20m 55s
build-docker-aarch64	20m 55s
build-docker-aarch64-dev	21m 23s
build-docker-aarch64-dev	21m 23s
build-docker-aarch64-portable	15m 54s
build-docker-aarch64-portable	18m 21s
build-docker-aarch64-portable-dev	21m 22s
build-docker-aarch64-portable-dev	21m 22s
build-docker-x86_64	15m 35s
build-docker-x86_64	19m 44s
build-docker-x86_64-dev	20m 55s
build-docker-x86_64-dev	20m 55s
build-docker-x86_64-portable	15m 23s
build-docker-x86_64-portable	19m 1s
build-docker-x86_64-portable-dev	15m 31s
build-docker-x86_64-portable-dev	19m 48s
build-docker-multiarch${{ matrix.modernity }}	0s
build-docker-multiarch	10s
build-docker-multiarch-modern	6s
	5h 29m 25s

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