bugfix: Fix hint BIGINT_PACK_DIV_MOD

[fmoletta]

After the changes in the felt lib, this hint was still using to_bigint instead of to_signed_felt

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.

[github-actions]

Benchmark Results for unmodified programs 🚀

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	14.753 ± 0.096	14.619	14.903	1.00
head blake2s_integration_benchmark	14.865 ± 0.105	14.772	15.110	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	4.933 ± 0.070	4.872	5.096	1.00
head compare_arrays_200000	4.976 ± 0.034	4.940	5.039	1.01 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	3.298 ± 0.040	3.263	3.391	1.00
head dict_integration_benchmark	3.318 ± 0.060	3.282	3.485	1.01 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base factorial_multirun	5.209 ± 0.032	5.177	5.287	1.00
head factorial_multirun	5.238 ± 0.028	5.198	5.279	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base fibonacci_1000_multirun	4.477 ± 0.016	4.456	4.504	1.00
head fibonacci_1000_multirun	4.500 ± 0.017	4.478	4.534	1.00 ± 0.01

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base field_arithmetic_get_square_benchmark	219.4 ± 2.2	217.8	225.1	1.00
head field_arithmetic_get_square_benchmark	220.4 ± 0.9	219.4	222.7	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	13.552 ± 0.166	13.333	13.917	1.01 ± 0.01
head integration_builtins	13.473 ± 0.040	13.391	13.532	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	15.261 ± 0.791	14.764	17.400	1.01 ± 0.06
head keccak_integration_benchmark	15.051 ± 0.468	14.808	16.345	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	4.929 ± 0.015	4.909	4.952	1.00
head linear_search	4.971 ± 0.052	4.937	5.112	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	3.581 ± 0.041	3.539	3.678	1.00
head math_cmp_and_pow_integration_benchmark	3.891 ± 0.835	3.579	6.253	1.09 ± 0.23

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	3.306 ± 0.026	3.281	3.373	1.00
head math_integration_benchmark	3.337 ± 0.017	3.316	3.360	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	2.822 ± 0.047	2.783	2.920	1.00
head memory_integration_benchmark	2.826 ± 0.045	2.780	2.927	1.00 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	3.280 ± 0.027	3.256	3.345	1.00
head operations_with_data_structures_benchmarks	3.290 ± 0.008	3.276	3.303	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base pedersen	1.066 ± 0.005	1.062	1.077	1.00
head pedersen	1.067 ± 0.002	1.064	1.071	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base poseidon_integration_benchmark	1.901 ± 0.005	1.895	1.909	1.00
head poseidon_integration_benchmark	1.908 ± 0.006	1.901	1.919	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	4.072 ± 0.021	4.052	4.127	1.00
head secp_integration_benchmark	4.104 ± 0.022	4.080	4.161	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base set_integration_benchmark	2.386 ± 0.007	2.375	2.399	1.07 ± 0.01
head set_integration_benchmark	2.233 ± 0.013	2.217	2.254	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	9.584 ± 0.032	9.555	9.659	1.00
head uint256_integration_benchmark	9.631 ± 0.031	9.590	9.680	1.00 ± 0.00

[codecov]

Codecov Report

Merging #1189 (d7f6496) into main (16db8ee) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1189      +/-   ##
==========================================
- Coverage   97.70%   97.70%   -0.01%     
==========================================
  Files          89       89              
  Lines       35936    35930       -6     
==========================================
- Hits        35113    35107       -6     
  Misses        823      823              

Impacted Files	Coverage Δ
...rc/hint_processor/builtin_hint_processor/bigint.rs	97.65% <100.00%> (-0.11%)	⬇️

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[juanbono]

LGTM!