feature(turborepo): Go Hashing (#5851)
### Description
The code for implementing capnproto hashing in Go. Does a comparison
between Go and Rust for task hashes and global hash.
### Testing Instructions
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Closes TURBO-1288
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Co-authored-by: Alexander Lyon <Alexander Lyon>
Co-authored-by: nicholaslyang <Nicholas Yang>
Co-authored-by: Chris Olszewski <Chris Olszewski>
