Update openssl to v1.1.1s

1.1.1d threw error messages, but compiling against 1.1.1s seems to work.

Author: andyundso

ext/tiny_tds/extconsts.rb

@@ -2,7 +2,7 @@
 ICONV_VERSION = ENV['TINYTDS_ICONV_VERSION'] || "1.15"
 ICONV_SOURCE_URI = "http://ftp.gnu.org/pub/gnu/libiconv/libiconv-#{ICONV_VERSION}.tar.gz"
 
-OPENSSL_VERSION = ENV['TINYTDS_OPENSSL_VERSION'] || '1.1.1d'
+OPENSSL_VERSION = ENV['TINYTDS_OPENSSL_VERSION'] || '1.1.1s'
 OPENSSL_SOURCE_URI = "https://www.openssl.org/source/openssl-#{OPENSSL_VERSION}.tar.gz"
 
 FREETDS_VERSION = ENV['TINYTDS_FREETDS_VERSION'] || "1.1.24"