Phonon/Releases/VLC/0.12.0

URL	https://download.kde.org/stable/phonon/phonon-backend-vlc/0.12.0/phonon-backend-vlc-0.12.0.tar.xz.mirrorlist
SHA256	338479dc451e4b94b3ca5b578def741dcf82f5c626a2807d36235be2dce7c9a5

Changes

• drop support for libvlc 2.x
• support qt5/6 multibuild
• mediaobject new can throw but does not return null
• .gitignore ignore /compile_commands.json
• Add Linux Qt 5 CI
• Update the translations folder name
• Remove explicit use of ECM_KDE_MODULE_DIR, is part of ECM_MODULE_PATH
• Make compile against qt6
• Add override keyword + use nullptr
• Show all headers in qtc6
• Adapt build system for building against qt6
• Use Qt::end
• Remove obsolete include
• Use override keyword
• Use QStringLiteral (QLAtin1String is deprecated)
• Use Q_SIGNALS/Q_SLOTS
• Fix typos found by codespell
• debug vmem format setup
• use picture_t to calculate pitch lines
• Update the obsolete projects.kde.org URL
• Revert "Port deprecated QLatin1Literal -> QLatin1String"
• Port deprecated QLatin1Literal -> QLatin1String
• preliminary vlc4 port
• only set xwindow when the qt platform actually is xcb (on unix)