feat: add walltime clock benchmarking #41

Performance Regression: -2.49%

⚡ 6 improvements
❌ 2 regressions
✅ 12 untouched benchmarks

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

	Benchmark	`master`	`master`	Change
⚡	`test_make_allpass`	38.1 µs	36.5 µs	+4.38%
⚡	`test_make_bandpass`	38.2 µs	36.9 µs	+3.49%
⚡	`test_make_lowshelf`	43.5 µs	42.7 µs	+2.09%
⚡	`test_make_peak`	41.2 µs	40.3 µs	+2.28%
⚡	`test_process`	32.6 µs	31.2 µs	+4.35%
❌	`test_noop_ellipsis`	12 µs	12.3 µs	-2.49%
⚡	`test_noop_lambda_decorated`	19.6 µs	18.9 µs	+3.94%
❌	`test_noop_pass`	12 µs	12.3 µs	-2.26%