net/teddycloud: Update 0.6.4 => 0.6.7

Changelogs:
https://github.com/toniebox-reverse-engineering/teddycloud/releases/tag/tc_v0.6.5
https://github.com/toniebox-reverse-engineering/teddycloud/releases/tag/tc_v0.6.6
https://github.com/toniebox-reverse-engineering/teddycloud/releases/tag/tc_v0.6.7

Improve port:

• Un-bundle libcjson, libogg and opus.
• Replace "BUILD_DEPENDS+=" with "BUILD_DEPENDS=".
• Add USES+=dos2unix - source files use DOS end-of-line characters.
• Use ETCDIR instead of ${PREFIX}/etc/teddycloud.
• Optimize do-install - remove duplicates, merge COPYTREE_SHARE, remove unnecessary MKDIR.
• Remove empty post-extract.

PR: 292663
Co-authored-by: Vladimir Druzenko <vvd@FreeBSD.org>