Add custom telemetry exporter support #1999

Job	Run time
typecheck / typecheck	1m 27s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - npm)	1m 37s
units / 🧪 Unit Tests	1m 17s
e2e / 🧪 CLI v3 tests (buildjet-8vcpu-ubuntu-2204 - pnpm)	1m 31s
e2e / 🧪 CLI v3 tests (windows-latest - npm)	4m 39s
e2e / 🧪 CLI v3 tests (windows-latest - pnpm)	4m 48s
Preview Release	0s
	15m 19s

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