chore(fuzzer): bump actions/checkout from v2 to v3

[MegaRedHand]

Using the old version is causing the following warning:

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2

[codecov]

Codecov Report

Merging #1336 (38c5407) into main (424b53e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1336   +/-   ##
=======================================
  Coverage   97.47%   97.47%           
=======================================
  Files          92       92           
  Lines       37692    37692           
=======================================
  Hits        36740    36740           
  Misses        952      952           

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[github-actions]

Benchmark Results for unmodified programs 🚀

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_factorial	4.222 ± 0.008	4.209	4.235	1.00 ± 0.00
head big_factorial	4.219 ± 0.012	4.208	4.248	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_fibonacci	3.630 ± 0.013	3.618	3.656	1.00 ± 0.00
head big_fibonacci	3.629 ± 0.013	3.615	3.656	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	9.851 ± 0.010	9.839	9.869	1.00 ± 0.00
head blake2s_integration_benchmark	9.843 ± 0.013	9.824	9.869	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	3.651 ± 0.012	3.642	3.680	1.00
head compare_arrays_200000	3.655 ± 0.010	3.644	3.676	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	2.448 ± 0.006	2.441	2.456	1.00 ± 0.00
head dict_integration_benchmark	2.445 ± 0.004	2.440	2.452	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base field_arithmetic_get_square_benchmark	1.789 ± 0.009	1.782	1.812	1.00 ± 0.01
head field_arithmetic_get_square_benchmark	1.786 ± 0.008	1.779	1.806	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	9.739 ± 0.018	9.723	9.781	1.00
head integration_builtins	9.759 ± 0.060	9.716	9.909	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	9.994 ± 0.009	9.985	10.015	1.00
head keccak_integration_benchmark	10.062 ± 0.120	9.985	10.347	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	3.651 ± 0.006	3.642	3.660	1.00
head linear_search	3.658 ± 0.010	3.646	3.674	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	2.687 ± 0.006	2.681	2.701	1.00
head math_cmp_and_pow_integration_benchmark	2.687 ± 0.009	2.679	2.710	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	2.400 ± 0.006	2.385	2.405	1.00
head math_integration_benchmark	2.407 ± 0.010	2.391	2.426	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	2.100 ± 0.004	2.094	2.111	1.00
head memory_integration_benchmark	2.103 ± 0.004	2.098	2.111	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	2.356 ± 0.007	2.342	2.370	1.00 ± 0.00
head operations_with_data_structures_benchmarks	2.355 ± 0.007	2.345	2.364	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	851.1 ± 0.8	849.4	852.5	1.00
head pedersen	851.6 ± 1.2	849.9	853.9	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base poseidon_integration_benchmark	1.509 ± 0.003	1.501	1.512	1.00
head poseidon_integration_benchmark	1.511 ± 0.004	1.505	1.517	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	2.824 ± 0.003	2.820	2.829	1.00
head secp_integration_benchmark	2.831 ± 0.005	2.823	2.838	1.00 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base set_integration_benchmark	1.643 ± 0.003	1.637	1.649	1.00 ± 0.00
head set_integration_benchmark	1.642 ± 0.003	1.638	1.647	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	6.561 ± 0.014	6.546	6.588	1.00
head uint256_integration_benchmark	6.565 ± 0.011	6.550	6.586	1.00 ± 0.00