Add Sint32 & Sint64 types & libfuncs

[fmoletta]

Based on #382
Libfunc implementations adapted from previous sint types
Also merged some tests together to reduce the amount of test files per type
Fixes iX_const_min unit test using 0 instead of min value for previous sint types

[github-actions]

Benchmarking results

Benchmark for program factorial_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	20.749 ± 0.087	20.609	20.896	43.68 ± 0.65
cairo-native (JIT MLIR ORC Engine)	1.527 ± 0.014	1.511	1.548	3.21 ± 0.05
cairo-native (AOT Native binary)	0.661 ± 0.002	0.659	0.664	1.39 ± 0.02
cairo-native (AOT Native binary with host CPU features, march=native)	0.475 ± 0.007	0.471	0.491	1.00

Benchmark for program fib_2M

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	20.265 ± 0.110	20.124	20.460	649.75 ± 8.82
cairo-native (JIT MLIR ORC Engine)	1.109 ± 0.005	1.098	1.116	35.55 ± 0.47
cairo-native (AOT Native binary)	0.031 ± 0.000	0.031	0.032	1.00
cairo-native (AOT Native binary with host CPU features, march=native)	0.031 ± 0.000	0.031	0.032	1.00 ± 0.01

Benchmark for program logistic_map

Open benchmarks

Command	Mean [s]	Min [s]	Max [s]	Relative
Cairo-vm (Rust, Cairo 1)	1.912 ± 0.035	1.870	1.993	27.36 ± 0.50
cairo-native (JIT MLIR ORC Engine)	1.415 ± 0.017	1.395	1.451	20.25 ± 0.25
cairo-native (AOT Native binary)	0.109 ± 0.000	0.109	0.110	1.56 ± 0.01
cairo-native (AOT Native binary with host CPU features, march=native)	0.070 ± 0.000	0.070	0.071	1.00

[codecov-commenter]

Codecov Report

Attention: 28 lines in your changes are missing coverage. Please review.

Comparison is base (52f8e19) 75.89% compared to head (72f9dff) 77.24%.

Files	Patch %	Lines
src/jit_runner.rs	57.14%	9 Missing ⚠️
src/libfuncs/sint32.rs	99.01%	7 Missing ⚠️
src/libfuncs/sint64.rs	99.01%	7 Missing ⚠️
src/values.rs	75.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #383      +/-   ##
==========================================
+ Coverage   75.89%   77.24%   +1.35%     
==========================================
  Files         100      102       +2     
  Lines       23897    25366    +1469     
==========================================
+ Hits        18136    19595    +1459     
- Misses       5761     5771      +10     

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