feat: add `anvil_{set,remove}BlockTimestampInterval` #1240

Job	Run time
build (ubuntu-latest)	4m 32s
lint	1m 4s
build (macos-latest)	3m 55s
spec-tests / spec	2m 51s
e2e-tests / e2e (ubuntu-latest)	1m 11s
e2e-tests / e2e (macos-latest)	1m 28s
e2e-tests-rust / spec (ubuntu-latest)	1m 18s
e2e-tests-rust / spec (macos-latest)	1m 18s
	17m 37s

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