Update cairo-rs version to last commit in main (last PR merged: #742)

[fmoletta]

Updates cairo-rs version to match the current last commit in cairo-rs

Most notable changes in cairo-rs:

• new error type HintError

• new type Felt

• cairo-rs crate name changed to cairo-vm

Other changes in cairo-rs-py:

• Swap BigInt for BigUint

[codecov-commenter]

Codecov Report

Merging #202 (6c0aad6) into main (5868635) will decrease coverage by 1.04%.
The diff coverage is 89.79%.

@@            Coverage Diff             @@
##             main     #202      +/-   ##
==========================================
- Coverage   95.16%   94.12%   -1.04%     
==========================================
  Files          14       14              
  Lines         724      715       -9     
==========================================
- Hits          689      673      -16     
- Misses         35       42       +7     

Impacted Files	Coverage Δ
src/instruction_location.rs	95.23% <ø> (ø)
src/run_context.rs	100.00% <ø> (ø)
src/scope_manager.rs	83.33% <ø> (ø)
src/ids.rs	91.00% <66.66%> (ø)
src/utils.rs	90.00% <80.00%> (-10.00%)	⬇️
src/range_check.rs	92.30% <83.33%> (-7.70%)	⬇️
src/vm_core.rs	91.66% <83.33%> (-5.00%)	⬇️
src/cairo_runner.rs	96.37% <100.00%> (-0.20%)	⬇️
src/ecdsa.rs	100.00% <100.00%> (ø)
src/memory.rs	80.76% <100.00%> (+0.76%)	⬆️
... and 4 more

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[Juan-M-V]

LGTM