Update to 1.56
    
    - New upstream release 1.56
      - fixed a typo in documentation of BEAST Attack
      - added LICENSE file copied from OpenSSL distribution to prevent complaints
        from various versions of kwalitee
      - adjusted license: in META.yml to be 'openssl'
      - adds support for the basic operations necessary to support ECDH for PFS,
        e.g. EC_KEY_new_by_curve_name, EC_KEY_free and SSL_CTX_set_tmp_ecdh
      - improvements to t/handle/external/50_external.t to handle the case when a
        test connection was not possible
      - added support for ALPN TLS extension
      - fixed a use-after-free error
      - fixed a problem with invalid comparison on OBJ_cmp result in
        t/local/36_verify.t
      - added support for get_peer_cert_chain()
      - fixed a bug that could cause stack faults: mixed up PUTBACK with SPAGAIN in
        ssleay_RSA_generate_key_cb_invoke(); a final PUTBACK is needed here
      - fixed cb->data checks and wrong refcounts on &PL_sv_undef
      - deleted support for SSL_get_tlsa_record_byname: it is not included in
        OpenSSL git master
    - Drop upstreamed patch for CPAN RT#91215
    - Skip the Pod Coverage test, as there are naked subroutines in this release
    - ECC support not available in Fedora/EL until OpenSSL 1.0.1e, so patch the
      source accordingly to fix builds for F-12 .. F-17