* Add injection regex for more languages To support embedding them in other languages like markdown. * Add llvm-mir highlighting LLVM Machine IR is dumped as yaml files that can embed LLVM IR and Machine IR. To support this, add a llvm-mir-yaml language that uses the yaml parser, but uses different injections to highlight IR and MIR. * Update submodule with fixed multiline comments Co-authored-by: Blaž Hrastnik <blaz@mxxn.io>