Add `-passin` to ocsp responder

[kaysond]

spki/spki

Lines 638 to 649 in 789136a

	#PASS=$(get-password 'intermediate OCSP private key' -noverify)
	fi
	# exec 3<<<"$PASS"
	# openssl ocsp does not yet support the -passin arg
	# see: https://github.com/openssl/openssl/issues/10682
	openssl ocsp -port "$1" -text \
	-index "$INDEX" \
	-CA "$CA" \
	-rkey "$RKEY" \
	-rsigner "$RCERT" || {
	echoc 'Could not start OCSP responder' red >&2
	return 1

is addressed by
openssl/openssl#10718
which has been merged in openssl 3.0

this should be updated but it will break usage on older versions. we either have to wait until openssl3.0 is widely used or check for the version and branch