Change ec_op_impl() to use ProjectivePoint (0.9.X base)

[fmoletta]

Same as #1531 for 0.9.X base

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Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (6fa38f7) 96.82% compared to head (aaa9951) 96.82%.

Files	Patch %	Lines
vm/src/vm/runners/builtin_runner/ec_op.rs	97.77%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## releases/0.9.X #1534 +/- ## ================================================== - Coverage 96.82% 96.82% -0.01% ================================================== Files 95 95 Lines 39451 39464 +13 ================================================== + Hits 38199 38211 +12 - Misses 1252 1253 +1 ```

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Benchmark Results for unmodified programs :rocket:

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_factorial	2.584 ± 0.019	2.559	2.618	1.00
head big_factorial	2.592 ± 0.012	2.578	2.619	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_fibonacci	2.159 ± 0.013	2.133	2.178	1.00
head big_fibonacci	2.183 ± 0.019	2.166	2.220	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	5.995 ± 0.044	5.953	6.071	1.01 ± 0.01
head blake2s_integration_benchmark	5.932 ± 0.048	5.877	6.024	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	2.242 ± 0.011	2.228	2.256	1.00
head compare_arrays_200000	2.285 ± 0.020	2.265	2.333	1.02 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	1.569 ± 0.008	1.555	1.579	1.00
head dict_integration_benchmark	1.633 ± 0.019	1.612	1.666	1.04 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base field_arithmetic_get_square_benchmark	1.052 ± 0.006	1.044	1.062	1.00
head field_arithmetic_get_square_benchmark	1.074 ± 0.023	1.054	1.133	1.02 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	5.913 ± 0.038	5.867	5.994	1.00
head integration_builtins	5.920 ± 0.050	5.868	5.995	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	6.082 ± 0.059	6.031	6.213	1.00 ± 0.02
head keccak_integration_benchmark	6.055 ± 0.092	5.974	6.287	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	2.266 ± 0.008	2.256	2.280	1.00
head linear_search	2.289 ± 0.012	2.273	2.307	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	1.552 ± 0.021	1.533	1.607	1.00
head math_cmp_and_pow_integration_benchmark	1.579 ± 0.023	1.556	1.618	1.02 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	1.474 ± 0.011	1.457	1.489	1.00
head math_integration_benchmark	1.501 ± 0.017	1.482	1.541	1.02 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	1.297 ± 0.010	1.282	1.310	1.00
head memory_integration_benchmark	1.323 ± 0.012	1.308	1.344	1.02 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	1.426 ± 0.008	1.410	1.435	1.00
head operations_with_data_structures_benchmarks	1.453 ± 0.008	1.443	1.466	1.02 ± 0.01

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	584.9 ± 15.2	575.3	615.1	1.00
head pedersen	585.6 ± 2.2	583.0	590.1	1.00 ± 0.03

Command	Mean [s]	Min [s]	Max [s]	Relative
base poseidon_integration_benchmark	1.143 ± 0.008	1.135	1.165	1.00
head poseidon_integration_benchmark	1.159 ± 0.010	1.148	1.180	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	1.984 ± 0.006	1.973	1.992	1.00
head secp_integration_benchmark	1.999 ± 0.007	1.982	2.007	1.01 ± 0.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base set_integration_benchmark	1.133 ± 0.011	1.127	1.164	1.00
head set_integration_benchmark	1.144 ± 0.005	1.139	1.153	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	3.825 ± 0.024	3.794	3.852	1.00
head uint256_integration_benchmark	3.854 ± 0.031	3.824	3.925	1.01 ± 0.01