RHEL9 disables SHA1 signatures in openssl

with its 0049-Selectively-disallow-SHA1-signatures.patch
in the openssl source rpm.

let's allow them for now, this fixes tls_version and tls_version1 tests.

mysql-test/include/default_my.cnf

@@ -33,3 +33,4 @@ disable-force-if-open
 [ENV]
 MASTER_MYPORT=           @mysqld.1.port
 MASTER_MYSOCK=           @mysqld.1.socket
+OPENSSL_ENABLE_SHA1_SIGNATURES= 1