Bootstrapping #443

Job	Run time
fedora-clingo-sources	4m 39s
macos-gnupg-binaries	2m 50s
macos-clingo-binaries (macos-11)	6m 59s
macos-clingo-sources	6m 2s
macos-clingo-binaries (macos-12)	5m 57s
macos-gnupg-sources	2m 54s
opensuse-clingo-sources	4m 29s
ubuntu-clingo-binaries	4m 41s
ubuntu-clingo-binaries-and-patchelf	1m 40s
ubuntu-clingo-sources	4m 5s
ubuntu-gnupg-binaries	1m 42s
ubuntu-gnupg-sources	1m 52s
	47m 50s

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