Use Relocatable instead of &MaybeRelocatable in load_data

[fmoletta]

Change the ptr argument type in MemorySegmentManager::load_data to Relocatable

[codecov]

Codecov Report

Merging #860 (5c421ab) into main (e0da0be) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #860      +/-   ##
==========================================
- Coverage   96.86%   96.85%   -0.01%     
==========================================
  Files          69       69              
  Lines       28966    28948      -18     
==========================================
- Hits        28057    28039      -18     
  Misses        909      909              

Impacted Files	Coverage Δ
..._processor/builtin_hint_processor/blake2s_utils.rs	99.48% <100.00%> (-0.02%)	⬇️
src/vm/runners/cairo_runner.rs	97.53% <100.00%> (-0.01%)	⬇️
src/vm/vm_core.rs	97.52% <100.00%> (ø)
src/vm/vm_memory/memory_segments.rs	99.02% <100.00%> (-0.01%)	⬇️

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[Oppen]

Loving it!