[GOBBLIN-2186] Emit GoT GTEs to time `WorkUnit` prep and to record volume of Work Discovery#4089

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phet merged 2 commits intoapache:masterfrom

phet:got-gen-wu-prep-events

Jan 2, 2025

Commits on Dec 31, 2024

misc fixes/improvements + ensure FsSpecConsumer always closes `dataFileReader`
phet
committed

Commits on Jan 1, 2025

Emit events to time GoT `WorkUnit` prep and to record volume of work discovered, after reworking `TemporalEventTimer.Factory` for use within an `Activity`
phet
committed