[Cairo 1] Improve arg handling

[fmoletta]

Fixes:

• Now uses ascii whitespace as separator, preventing errors when using newlines in args file
• No longer gets stuck on improperly-formatted arrays
• Returns an informative clap error upon invalid felt strings instead of unwrapping

[github-actions[bot]]

**Hyper Thereading Benchmark results**

hyperfine -r 2 -n "hyper_threading_main threads: 1" 'RAYON_NUM_THREADS=1 ./hyper_threading_main' -n "hyper_threading_pr threads: 1" 'RAYON_NUM_THREADS=1 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 1
  Time (mean ± σ):     25.838 s ±  0.015 s    [User: 25.140 s, System: 0.696 s]
  Range (min … max):   25.827 s … 25.849 s    2 runs

Benchmark 2: hyper_threading_pr threads: 1
  Time (mean ± σ):     25.771 s ±  0.037 s    [User: 24.954 s, System: 0.814 s]
  Range (min … max):   25.744 s … 25.797 s    2 runs

Summary
  'hyper_threading_pr threads: 1' ran
    1.00 ± 0.00 times faster than 'hyper_threading_main threads: 1'

hyperfine -r 2 -n "hyper_threading_main threads: 2" 'RAYON_NUM_THREADS=2 ./hyper_threading_main' -n "hyper_threading_pr threads: 2" 'RAYON_NUM_THREADS=2 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 2
  Time (mean ± σ):     14.450 s ±  0.029 s    [User: 25.588 s, System: 0.830 s]
  Range (min … max):   14.429 s … 14.470 s    2 runs

Benchmark 2: hyper_threading_pr threads: 2
  Time (mean ± σ):     14.473 s ±  0.066 s    [User: 25.601 s, System: 0.752 s]
  Range (min … max):   14.426 s … 14.520 s    2 runs

Summary
  'hyper_threading_main threads: 2' ran
    1.00 ± 0.01 times faster than 'hyper_threading_pr threads: 2'

hyperfine -r 2 -n "hyper_threading_main threads: 4" 'RAYON_NUM_THREADS=4 ./hyper_threading_main' -n "hyper_threading_pr threads: 4" 'RAYON_NUM_THREADS=4 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 4
  Time (mean ± σ):     10.419 s ±  0.175 s    [User: 36.805 s, System: 0.934 s]
  Range (min … max):   10.295 s … 10.543 s    2 runs

Benchmark 2: hyper_threading_pr threads: 4
  Time (mean ± σ):     10.461 s ±  0.524 s    [User: 36.904 s, System: 0.938 s]
  Range (min … max):   10.091 s … 10.832 s    2 runs

Summary
  'hyper_threading_main threads: 4' ran
    1.00 ± 0.05 times faster than 'hyper_threading_pr threads: 4'

hyperfine -r 2 -n "hyper_threading_main threads: 6" 'RAYON_NUM_THREADS=6 ./hyper_threading_main' -n "hyper_threading_pr threads: 6" 'RAYON_NUM_THREADS=6 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 6
  Time (mean ± σ):     10.175 s ±  0.007 s    [User: 37.309 s, System: 0.908 s]
  Range (min … max):   10.170 s … 10.180 s    2 runs

Benchmark 2: hyper_threading_pr threads: 6
  Time (mean ± σ):     10.373 s ±  0.212 s    [User: 37.234 s, System: 1.061 s]
  Range (min … max):   10.223 s … 10.523 s    2 runs

Summary
  'hyper_threading_main threads: 6' ran
    1.02 ± 0.02 times faster than 'hyper_threading_pr threads: 6'

hyperfine -r 2 -n "hyper_threading_main threads: 8" 'RAYON_NUM_THREADS=8 ./hyper_threading_main' -n "hyper_threading_pr threads: 8" 'RAYON_NUM_THREADS=8 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 8
  Time (mean ± σ):     10.158 s ±  0.149 s    [User: 37.212 s, System: 1.054 s]
  Range (min … max):   10.053 s … 10.264 s    2 runs

Benchmark 2: hyper_threading_pr threads: 8
  Time (mean ± σ):     10.226 s ±  0.080 s    [User: 37.266 s, System: 0.974 s]
  Range (min … max):   10.169 s … 10.283 s    2 runs

Summary
  'hyper_threading_main threads: 8' ran
    1.01 ± 0.02 times faster than 'hyper_threading_pr threads: 8'

hyperfine -r 2 -n "hyper_threading_main threads: 16" 'RAYON_NUM_THREADS=16 ./hyper_threading_main' -n "hyper_threading_pr threads: 16" 'RAYON_NUM_THREADS=16 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 16
  Time (mean ± σ):     10.003 s ±  0.068 s    [User: 37.900 s, System: 0.988 s]
  Range (min … max):    9.955 s … 10.051 s    2 runs

Benchmark 2: hyper_threading_pr threads: 16
  Time (mean ± σ):     10.276 s ±  0.084 s    [User: 37.600 s, System: 1.058 s]
  Range (min … max):   10.217 s … 10.336 s    2 runs

Summary
  'hyper_threading_main threads: 16' ran
    1.03 ± 0.01 times faster than 'hyper_threading_pr threads: 16'

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 97.05882% with 1 line in your changes missing coverage. Please review.

Project coverage is 94.84%. Comparing base (7159ed9) to head (a3ad7d7).

Files	Patch %	Lines
cairo1-run/src/main.rs	97.05%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1782 +/- ## ========================================== - Coverage 94.85% 94.84% -0.01% ========================================== Files 102 102 Lines 40065 40068 +3 ========================================== + Hits 38002 38004 +2 - Misses 2063 2064 +1 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[github-actions[bot]]

Benchmark Results for unmodified programs :rocket:

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_factorial	2.032 ± 0.021	1.997	2.078	1.00
head big_factorial	2.044 ± 0.067	1.991	2.231	1.01 ± 0.03

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_fibonacci	2.011 ± 0.149	1.946	2.435	1.03 ± 0.08
head big_fibonacci	1.960 ± 0.021	1.938	1.999	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	7.480 ± 0.205	7.345	8.043	1.01 ± 0.03
head blake2s_integration_benchmark	7.436 ± 0.095	7.295	7.563	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	2.132 ± 0.078	2.090	2.341	1.01 ± 0.04
head compare_arrays_200000	2.117 ± 0.010	2.102	2.138	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	1.418 ± 0.025	1.397	1.486	1.02 ± 0.02
head dict_integration_benchmark	1.392 ± 0.011	1.374	1.411	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base field_arithmetic_get_square_benchmark	1.215 ± 0.012	1.202	1.241	1.01 ± 0.01
head field_arithmetic_get_square_benchmark	1.200 ± 0.013	1.185	1.228	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	7.454 ± 0.092	7.363	7.613	1.00
head integration_builtins	7.575 ± 0.380	7.361	8.607	1.02 ± 0.05

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	7.665 ± 0.171	7.539	8.121	1.00
head keccak_integration_benchmark	7.719 ± 0.134	7.610	8.078	1.01 ± 0.03

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	2.084 ± 0.016	2.064	2.122	1.01 ± 0.01
head linear_search	2.065 ± 0.015	2.047	2.092	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	1.475 ± 0.026	1.454	1.530	1.00 ± 0.03
head math_cmp_and_pow_integration_benchmark	1.471 ± 0.030	1.442	1.530	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	1.455 ± 0.022	1.433	1.512	1.01 ± 0.02
head math_integration_benchmark	1.441 ± 0.006	1.428	1.450	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	1.189 ± 0.010	1.176	1.205	1.00
head memory_integration_benchmark	1.191 ± 0.018	1.174	1.238	1.00 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	1.528 ± 0.014	1.506	1.552	1.00
head operations_with_data_structures_benchmarks	1.545 ± 0.031	1.503	1.603	1.01 ± 0.02

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	513.4 ± 5.5	509.2	528.5	1.00 ± 0.01
head pedersen	511.8 ± 4.2	507.6	522.7	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base poseidon_integration_benchmark	743.4 ± 3.2	740.0	750.0	1.00
head poseidon_integration_benchmark	746.5 ± 4.3	739.6	752.2	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	1.810 ± 0.025	1.789	1.875	1.00
head secp_integration_benchmark	1.816 ± 0.058	1.777	1.943	1.00 ± 0.04

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base set_integration_benchmark	663.9 ± 1.8	661.1	666.9	1.00 ± 0.00
head set_integration_benchmark	663.7 ± 1.6	661.0	666.1	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	4.159 ± 0.050	4.094	4.242	1.00
head uint256_integration_benchmark	4.196 ± 0.075	4.090	4.347	1.01 ± 0.02