Add experimental sampling interval tracks per process #131

Job	Run time
build-prod (ubuntu-latest)	1m 4s
build-prod (windows-latest)	2m 21s
lint (ubuntu-latest)	49s
licence-check (windows-latest)	2m 16s
licence-check (ubuntu-latest)	27s
tests (ubuntu-latest)	1m 30s
lint (windows-latest)	1m 45s
typecheck (ubuntu-latest)	43s
typecheck (windows-latest)	2m 21s
tests (windows-latest)	1m 39s
shellcheck	6s
yarn-lock (windows-latest)	1m 41s
alex (ubuntu-latest)	31s
yarn-lock (ubuntu-latest)	28s
alex (windows-latest)	2m 2s
	19m 43s

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