ci: Custom GitHub Runners for Nix Builds #4304

Job	Run time
nix-eval / eval	2m 17s
pre-commit-run (aarch64-darwin)	23s
run-check-harness-psql-15 (aarch64-linux)	3m 33s
pre-commit-run (x86_64-linux)	48s
pre-commit-run (aarch64-linux)	57s
run-tests / prepare	42s
run-testinfra / prepare	40s
run-tests / build ("17")	2m 17s
run-tests / build ("15")	2m 12s
run-tests / build ("orioledb-17")	1m 51s
run-testinfra / test-ami-nix ("15")	48m 38s
run-testinfra / test-ami-nix ("17")	13m 31s
run-testinfra / test-ami-nix ("orioledb-17")	12m 55s
	1h 30m 44s

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