[osflow] further path fixes #744

Job	Run time
Matrix	3s
🛳️ All-in-one \| UPDuino-v3.0 · MinimalBoot	1m 9s
🛳️ All-in-one \| UPDuino-v3.0 · UP5KDemo	1m 30s
🛳️ All-in-one \| Fomu · Minimal	1m 15s
🛳️ All-in-one \| Fomu · MinimalBoot	1m 30s
🛳️ All-in-one \| Fomu · MixedLanguage	1m 13s
🛳️ All-in-one \| Fomu · UP5KDemo	1m 24s
🛳️ All-in-one \| iCEBreaker · MinimalBoot	1m 13s
🛳️ All-in-one \| iCEBreaker · UP5KDemo	1m 25s
🛳️ All-in-one \| iCESugar-v1.5 · Minimal	1m 24s
🛳️ All-in-one \| iCESugar-v1.5 · MinimalBoot	1m 12s
🛳️ All-in-one \| OrangeCrab · MinimalBoot	1m 7s
🛳️ All-in-one \| IceZumAlhambraII · MinimalBoot	1m 7s
🛳️ All-in-one \| ULX3S · MinimalBoot	1m 5s
🛳️ All-in-one \| iCE40CW312 · MinimalBoot	1m 14s
	17m 51s

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