build: fix OpenSSL version parsing for OpenSSL < 3 #1003

Job	Run time
Build slim tarball	1m 33s
x86_64-darwin: with shared libraries	1m 37s
x86_64-linux: with shared libraries	15s
aarch64-darwin: with shared libraries	2m 39s
aarch64-linux: with shared libraries	20s
aarch64-darwin: with shared libraries	36m 57s
x86_64-darwin: with shared libraries	1h 20m 1s
x86_64-linux: with shared libraries	17s
aarch64-linux: with shared libraries	30m 36s
Build slim tarball	1m 33s
Build slim tarball	1m 33s
x86_64-darwin: with shared libraries	1h 19m 59s
x86_64-linux: with shared libraries	19s
aarch64-darwin: with shared libraries	36m 57s
aarch64-linux: with shared libraries	30m 36s
Build slim tarball	1m 33s
x86_64-linux: with shared libraries	28m 37s
x86_64-darwin: with shared libraries	1h 21m 22s
aarch64-darwin: with shared libraries	36m 57s
aarch64-linux: with shared libraries	30m 36s
Build slim tarball	1m 33s
x86_64-darwin: with shared libraries	40m 12s
aarch64-darwin: with shared libraries	36m 57s
x86_64-linux: with shared libraries	28m 37s
aarch64-linux: with shared libraries	30m 36s
	10h 22m 12s

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