Add the concept of "Capabilities" to the default and fips providers

Add the concept of "Capabilities" to the default and fips providers

With capabilities we can query a provider about what it can do.
Initially we support a "TLS-GROUP" capability.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11914)