feat: add range based exponential buckets in histogram #859

Job	Run time
Check rustdoc intra-doc links	18s
Cross compile (armv7-unknown-linux-gnueabihf)	10s
Check	1m 33s
Cross compile (powerpc-unknown-linux-gnu)	18s
Clippy	1m 4s
Cross compile (powerpc64-unknown-linux-gnu)	9s
Rustfmt	8s
Cross compile (wasm32-unknown-unknown)	22s
Test Suite	1m 26s
	5m 28s

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