Darwin: T8089 failing after receiving signal 9

Incidents in the last two weeks:

json->>'id'	json->>'web_url'	json->>'runner.description'	date(json->>'created_at')
1757642	https://gitlab.haskell.org/ghc/ghc/-/jobs/1757642	aarch64-darwin-1_aarch64-darwin-1_cf5fc9331e7a	2024-01-21
1756702	https://gitlab.haskell.org/ghc/ghc/-/jobs/1756702	aarch64-darwin-1_aarch64-darwin-1_cf5fc9331e7a	2024-01-20
1756051	https://gitlab.haskell.org/ghc/ghc/-/jobs/1756051	aarch64-darwin-1_aarch64-darwin-1_cf5fc9331e7a	2024-01-18
1755685	https://gitlab.haskell.org/ghc/ghc/-/jobs/1755685	aarch64-darwin-3_aarch64-darwin-3_cf5fc9331e7a	2024-01-18
1753481	https://gitlab.haskell.org/ghc/ghc/-/jobs/1753481	aarch64-darwin-1_aarch64-darwin-1_cf5fc9331e7a	2024-01-16
1749572	https://gitlab.haskell.org/ghc/ghc/-/jobs/1749572	aarch64-darwin-3_aarch64-darwin-3_cf5fc9331e7a	2024-01-11
1747995	https://gitlab.haskell.org/ghc/ghc/-/jobs/1747995	aarch64-darwin-1_aarch64-darwin-1_cf5fc9331e7a	2024-01-09