[github-actions] fix expect check (#5610)
[github-actions] fix expect check (#5610)

Add `apt-get update` before `apt-get install`.
chshu/openthread,srickardti/openthread,openthread/openthread,srickardti/openthread,srickardti/openthread,abtink/openthread,abtink/openthread,bukepo/openthread,chshu/openthread,jwhui/openthread,jwhui/openthread,chshu/openthread,openthread/openthread,bukepo/openthread,chshu/openthread,openthread/openthread,abtink/openthread,jwhui/openthread,jwhui/openthread,openthread/openthread,bukepo/openthread,chshu/openthread,abtink/openthread,bukepo/openthread,chshu/openthread,srickardti/openthread