feat(cargo-codspeed): add --locked flag to build command

[AdamGS]

Adds the ability to used the --locked flag to underlying compiler, which guarantees the Cargo.lock file remains unchanged, which is usually desirable in CI.

[GuillaumeLagrange]

@AdamGS thanks for the PR, and good catch indeed !

[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #124 will degrade performances by 8.02%

_{Comparing spiraldb:main (36264f3) with main (97babdc)}

Summary

❌ 9 regressions
✅ 158 untouched

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	recursive_memoized[BTreeMap<u64, u64>, 0]	400.8 ns	430 ns	-6.78%
❌	recursive_memoized[HashMap<u64, u64>, 0]	929.2 ns	958.3 ns	-3.04%
❌	instant	334.4 ns	363.6 ns	-8.02%
❌	system_time	334.4 ns	363.6 ns	-8.02%
❌	sleep_100ns	536.9 ns	566.1 ns	-5.15%
❌	sleep_100us	536.9 ns	566.1 ns	-5.15%
❌	sleep_1ms	536.9 ns	566.1 ns	-5.15%
❌	sleep_1ns	536.9 ns	566.1 ns	-5.15%
❌	sleep_1us	536.9 ns	566.1 ns	-5.15%

[codspeed-hq]

CodSpeed WallTime Performance Report

Merging #124 will degrade performances by 12.5%

_{Comparing spiraldb:main (36264f3) with main (97babdc)}

Summary

⚡ 6 improvements
❌ 8 regressions
✅ 140 untouched

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	build_vec	200 ns	213 ns	-6.1%
❌	large_setup	13 ns	14 ns	-7.14%
❌	from_elem[8192]	504 ns	530 ns	-4.91%
❌	from_elem_decimal[2048]	247 ns	264 ns	-6.44%
⚡	bench_array1[10]	10 ns	9 ns	+11.11%
⚡	bench_array2[10]	10 ns	9 ns	+11.11%
⚡	graph_coloring[5]	1,004 ns	971 ns	+3.4%
⚡	hamiltonian_cycle[5]	683 ns	603 ns	+13.27%
⚡	permutations[3]	755 ns	710 ns	+6.34%
⚡	rat_in_maze[5]	605 ns	573 ns	+5.58%
❌	count_set_bits[0]	7 ns	8 ns	-12.5%
❌	count_set_bits[1024]	7 ns	8 ns	-12.5%
❌	count_set_bits[255]	7 ns	8 ns	-12.5%
❌	count_set_bits[65535]	7 ns	8 ns	-12.5%

[art049]

Merged in 4be2e55

Thanks for the contribution ! 😀