Add token bucket rate limiter #22

Job	Run time
call_ci / Run tests	1m 25s
call_ci / Prepare packaging	4s
call_ci / Create wheel package	46s
call_ci / Create debian package with FPM (bullseye)	56s
call_ci / Create debian package with dh-virtualenv	0s
call_ci / Create debian package with FPM (bookworm)	52s
call_ci / Create release	0s
	4m 3s

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