feat: update serialize memory for bin format

[drspacemn]

CairoPieMemory Serialization #1446

Description

Serialization of the CairoPieMemory trace to be handled in the binary format as the python VM here:

• https://github.com/starkware-libs/cairo-lang/blob/27a157d761ae49b242026bcbe5fca6e60c1e98bd/src/starkware/cairo/lang/vm/memory_dict.py#L218

Byte serialization defined here:

• https://github.com/starkware-libs/cairo-lang/blob/27a157d761ae49b242026bcbe5fca6e60c1e98bd/src/starkware/cairo/lang/vm/relocatable.py#L74

Implementation options available here:

• https://github.com/keep-starknet-strange/snos/blob/3c37b442e06069bf304ad19eae917170139c2330/src/pie.rs#L42

Checklist

• Linked to Github Issue
• Unit tests added
• Integration tests added.
• This change requires new documentation.
  • Documentation has been added/updated.
  • CHANGELOG has been updated.

[Oppen]

Hey, very nice PR! The code itself looks great, but I need to check the references first to understand it better just in case :)

[Oppen]

I double checked, so I can confidently approve :)
Just check the little u64 stuff.

[drspacemn]

Okay swapped usize -> u64 and updated for WASM tests

[codecov]

Codecov Report

Merging #1447 (7a08b6d) into main (8d711e1) will decrease coverage by 0.01%.
The diff coverage is 95.77%.

@@            Coverage Diff             @@
##             main    #1447      +/-   ##
==========================================
- Coverage   96.99%   96.99%   -0.01%     
==========================================
  Files          93       93              
  Lines       38782    38773       -9     
==========================================
- Hits        37618    37606      -12     
- Misses       1164     1167       +3     

Files	Coverage Δ
vm/src/vm/runners/cairo_pie.rs	96.59% <95.77%> (-2.12%)	⬇️

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