Add telemetry #8073

Job	Run time
Create VSIX	2m 29s
Lint	2m 41s
Python Tests (ubuntu-latest, 3.8)	2m 43s
Check Python types	2m 4s
Python Tests (ubuntu-latest, 3.x)	2m 22s
Coverage (ubuntu-latest)	10m 41s
Python Tests (windows-latest, 3.8)	4m 27s
Python Tests (windows-latest, 3.x)	6m 0s
Tests (ubuntu-latest, 3.x, ts-unit)	3m 17s
Tests (ubuntu-latest, 3.x, venv)	3m 44s
Tests (ubuntu-latest, 3.x, single-workspace)	3m 7s
Tests (ubuntu-latest, 3.x, debugger)	3m 8s
Tests (ubuntu-latest, 3.x, functional)	2m 12s
Tests (windows-latest, 3.x, ts-unit)	6m 50s
Tests (windows-latest, 3.x, venv)	8m 32s
Tests (windows-latest, 3.x, single-workspace)	6m 47s
Tests (windows-latest, 3.x, debugger)	5m 32s
Tests (windows-latest, 3.x, functional)	5m 46s
Smoke tests (ubuntu-latest)	2m 31s
Smoke tests (windows-latest)	6m 31s
	1h 31m 24s

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