multimedia/syncplay: Update to 1.6.3

Changelog:

• New Syncplay logo
• IPv6 support
• Initial TLS (SSL) support
• Spanish Language support
• Automatically copy offer VLC interface script when it is needed
• Fixed a VLC bug
• Handle non-UTF8 messages to server
• Use high-DPI scaling where available
• Print error message if Twisted fails
• Fixed bug which meant that –max-chat-message-length can’t be used to raise the maximum length
• Fixed bug which meant that youtube-dl did not work on macOS

https://syncplay.pl/changelog/

PR: 236708
Submitted by: Christian Heckendorf <heckendorfc@gmail.com> (maintainer)
Approved by: mentors (implicit)