async: preserve ex-info data through future -> deref -> catch #148

Job	Run time
windows-2022	47s
macos-14	1m 1s
ubuntu-24.04-arm	1m 1s
ubuntu-24.04	59s
perf-gate (linux)	0s
external-test-suite (clojure-test-suite)	0s
	3m 48s

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