Add support for metadata.code.call_targets section #4664
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Lukasdoe
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Following #4460, I also implemented call targets hints in WAMR. Support in LLVM is tbd.
This also includes the generalization of our metadata parsing mechanism so that it'll be very easy to integrate new types of compilation metadata.
Basis: https://github.com/WebAssembly/compilation-hints/blob/main/proposals/compilation-hints/Overview.md