New version for Firebird Perl driver

Changes for version 1.12

  • Do not package MYMETA
  • Make embedded tests actually run when the libs are there (RT#81621)
  • Produce sensible POD for DBD::FirebirdEmbedded
  • Require Test::Exception that does not break caller()
  • drop usage of bytes_from_utf8 when feeding character data to firebird
  • use fb_config if available for finding firebird directories