Exponential Histogram support to the Prometheus exporter #3471

Job	Run time
Build (macos-latest, 8)	8m 26s
build-graal	5m 0s
Build (macos-latest, 11)	4m 4s
Build (macos-latest, 17)	4m 7s
Build (macos-latest, 20)	3m 59s
Build (ubuntu-latest, 8)	2m 38s
Build (ubuntu-latest, 11)	2m 41s
markdown-link-check / markdown-link-check	43s
Build (ubuntu-latest, 17)	2m 40s
misspell-check / misspell-check	5s
Build (ubuntu-latest, 20)	2m 33s
Build (ubuntu-20.04, 17, true)	7m 6s
required-status-check	1s
publish-snapshots (skipped)	3s
	44m 6s

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