Add custom telemetry exporter support #2002

Job	Run time
units / 🧪 Unit Tests	2m 9s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - npm)	1m 10s
typecheck / typecheck	2m 4s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - pnpm)	1m 12s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	5m 0s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	5m 8s
Preview Release	2m 15s
	18m 58s

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