This is already the case implicitly by UICommon including several headers from Core, so just make it explicit

Externals: Update minizip-ng to 4.0.5 and convert to submodule

If Rich Presence and Discord Presence are enabled in Achievement Settings, the string generated by rcheevos as the player's current Rich Presence will be sent to the Status field in the Discord Presence object. This will be updated whenever Rich Presence updates.

Also update unzLocateFile to the minizip-ng 4.0.4+ signature and document new unused files.

967280f140f39283e9e6997ffa6426329d94f611 broke linking against
libLLVM.so because it used the outdated way to link against LLVM from
CMake. This causes a compilation failure on systems that don't have the
LLVM static libraries, such as Arch Linux. On systems that have the
static libraries, it'll use them and increase binary sizes massively.

Switch to the newer llvm_config CMake macro from LLVM.

Apply Clang-Tidy's modernize-use-starts-ends-with

GameList: Show (Disc 1) for first disc of two-disc games

Append disc label to the first disc of two-disc games too, rather than
only labelling the second disc.