crypto: add compat logic for "DSS1" and "dss1"

In OpenSSL 1.1.0, EVP_dss1() is removed. These hash names were exposed
in Node's public API, so add compatibility hooks for them.

PR-URL: https://github.com/nodejs/node/pull/16130
Backport-PR-URL: https://github.com/nodejs/node/pull/18622


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Rod Vagg <rod@vagg.org>