Send telemetry events for pnpm usage (#13748)

This PR adds telemetry events for pnpm usage, similar to what we did for
Yarn in #12785.

Seems like useful information to have.

Release Notes:

- N/A

Marshall Bowers committed 2y ago

eb845ee2013643717ffe027a04acb7601c893c05

Parent: 8ea2bd4

Committed by GitHub <noreply@github.com> on 7/2/2024, 5:59:26 PM