multimedia/libmediainfo: Update to 22.12

• Switch to separate source archives
• Switch to CMake which brings us much closer to other distributions and reduces manual patching
• Always use tinyxml2 in tree
• Sanitize source code
• Adjust port to more closely follow other distributions

Changelog: https://github.com/MediaArea/MediaInfoLib/releases/tag/v22.12

PR: 268708
Approved by: portmgr (maintainer timeout, 2+ weeks)