CI: determine actual OpenSSL version dynamically

this change introduce "OPENSSL_VERSION=latest" semantic, which scans
https://api.github.com/repos/openssl/openssl/tags and detects latest release.

(cherry picked from commit 7b893c2c6b68be5cd133c4cf39e61d89f341d810)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit ca1d09d258be9789efe2ed7085d3e1c9b44af6db)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
1 file changed