feat: nv28 skeleton

[rjan90]

closes: #2219

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.58%. Comparing base (c414105) to head (e92221a).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2220   +/-   ##
=======================================
  Coverage   77.58%   77.58%           
=======================================
  Files         147      147           
  Lines       15789    15789           
=======================================
  Hits        12250    12250           
  Misses       3539     3539           

Files with missing lines	Coverage Δ
fvm/src/gas/price_list.rs	85.59% <ø> (ø)
fvm/src/machine/default.rs	69.47% <ø> (ø)
shared/src/version/mod.rs	0.00% <ø> (ø)

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[rjan90]

For unblocking this PR/get past the #2221 failure in cargo-deny, I suggest to either:

• Address it separately (i.e merge even with the failure) or update the deny.toml config to allow this temporarily.
• Update wasmtime to a newer version (update wasmtime to at least 33.0.2 #2186) that doesn't use fxhash.
  • This might require significant changes.