feat(hint): support hint #66 for keccak_finalize

[Oppen]

Version from whitelist starknet/security/whitelists/cairo_keccak.json, differs from the current one in bounds for _block_size, 1000 instead of 10.

Affects #1020

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	2.501 ± 0.050	2.458	2.617	1.01 ± 0.03
head blake2s_integration_benchmark	2.485 ± 0.057	2.437	2.584	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	3.062 ± 0.041	3.022	3.133	1.01 ± 0.02
head compare_arrays_200000	3.030 ± 0.031	3.009	3.093	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	2.422 ± 0.041	2.401	2.535	1.00 ± 0.03
head dict_integration_benchmark	2.422 ± 0.058	2.382	2.532	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base factorial_multirun	3.700 ± 0.016	3.685	3.738	1.00
head factorial_multirun	3.703 ± 0.024	3.671	3.747	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base fibonacci_1000_multirun	2.968 ± 0.003	2.964	2.975	1.00 ± 0.01
head fibonacci_1000_multirun	2.963 ± 0.015	2.952	2.999	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base field_arithmetic_get_square_benchmark	129.0 ± 4.0	126.5	139.8	1.01 ± 0.03
head field_arithmetic_get_square_benchmark	127.3 ± 1.2	125.5	129.2	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	2.929 ± 0.012	2.922	2.962	1.00 ± 0.01
head integration_builtins	2.928 ± 0.023	2.908	2.983	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	2.648 ± 0.013	2.631	2.670	1.01 ± 0.01
head keccak_integration_benchmark	2.633 ± 0.015	2.618	2.666	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	3.135 ± 0.004	3.129	3.143	1.00 ± 0.00
head linear_search	3.133 ± 0.014	3.119	3.158	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	2.672 ± 0.013	2.656	2.694	1.00 ± 0.01
head math_cmp_and_pow_integration_benchmark	2.668 ± 0.011	2.650	2.687	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	2.466 ± 0.007	2.458	2.476	1.00 ± 0.01
head math_integration_benchmark	2.458 ± 0.015	2.447	2.495	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	2.136 ± 0.013	2.121	2.167	1.01 ± 0.01
head memory_integration_benchmark	2.123 ± 0.006	2.115	2.133	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	2.207 ± 0.010	2.192	2.218	1.01 ± 0.01
head operations_with_data_structures_benchmarks	2.191 ± 0.018	2.179	2.239	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	777.4 ± 4.9	772.5	789.8	1.00
head pedersen	779.1 ± 3.4	774.4	786.9	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base poseidon_integration_benchmark	1.497 ± 0.014	1.487	1.536	1.00 ± 0.01
head poseidon_integration_benchmark	1.491 ± 0.006	1.482	1.498	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	2.355 ± 0.007	2.347	2.371	1.00
head secp_integration_benchmark	2.358 ± 0.014	2.338	2.391	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base set_integration_benchmark	1.677 ± 0.009	1.667	1.699	1.00
head set_integration_benchmark	1.693 ± 0.015	1.681	1.733	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	3.892 ± 0.012	3.875	3.908	1.00 ± 0.00
head uint256_integration_benchmark	3.879 ± 0.013	3.861	3.899	1.00

[codecov]

Codecov Report

Merging #1041 (a238b43) into main (fb73125) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head a238b43 differs from pull request most recent head 83e7f87. Consider uploading reports for the commit 83e7f87 to get more accurate results

@@            Coverage Diff             @@
##             main    #1041      +/-   ##
==========================================
- Coverage   98.08%   98.07%   -0.01%     
==========================================
  Files          81       80       -1     
  Lines       33126    33052      -74     
==========================================
- Hits        32491    32417      -74     
  Misses        635      635              

Impacted Files	Coverage Δ
...int_processor/builtin_hint_processor_definition.rs	98.86% <100.00%> (-0.01%)	⬇️
...uiltin_hint_processor/cairo_keccak/keccak_hints.rs	94.35% <100.00%> (+0.41%)	⬆️

... and 1 file with indirect coverage changes

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[pefontana]

LGTM!