REGTESTS: adjust http_reuse_conn_hash requirements

This test is only valid for 2.4+ as the tested feature was introduced in
this version. Besides, it can only run with ssl support to test sni
reuse.
diff --git a/reg-tests/connection/http_reuse_conn_hash.vtc b/reg-tests/connection/http_reuse_conn_hash.vtc
index e60ed05..70a226d 100644
--- a/reg-tests/connection/http_reuse_conn_hash.vtc
+++ b/reg-tests/connection/http_reuse_conn_hash.vtc
@@ -1,4 +1,6 @@
 varnishtest "Test the http-reuse with special connection parameters"
+#REQUIRE_VERSION=2.4
+#REQUIRE_OPTIONS=OPENSSL
 
 feature ignore_unknown_macro