[Firebird-website] On the 3.0.3 release notice please add MacOS

[marius a. p. <ma...@gm...>]

On the 3.0.3 release notice
https://www.firebirdsql.org/en/start/

please change

Binary kits for Windows and Linux on both 32-bit and 64-bit platforms are
immediately available for download
<https://www.firebirdsql.org/en/firebird-3-0-3/>.

to

Binary kits for Windows , MacOS and Linux on both 32-bit and 64-bit
platforms are immediately available for download
<https://www.firebirdsql.org/en/firebird-3-0-3/>.