ci: Continuous benchmarking with codspeed.io (#783) #2681

Job	Run time
Check for changes	5s
Continuous benchmarking 🏋️	3m 29s
Check Rust code 🦀	1m 26s
tests (Rust stable, no features)	1m 28s
Check Python code 🐍	2m 45s
tests (Python, coverage)	2m 41s
tests (Rust nightly, coverage)	2m 54s
tests (Rust 1.75)	3m 1s
tests (Rust beta)	2m 49s
tests (Rust stable, all features)	2m 22s
Check standard extensions	1m 6s
Required checks 🦀+🐍	1s
	24m 7s

Provide feedback