Migrate extension to node 18 #8018

Job	Run time
Create VSIX	3m 0s
Check Python types	1m 41s
Coverage (ubuntu-latest)	9m 24s
Lint	2m 34s
Python Tests (ubuntu-latest, 3.8)	2m 18s
Python Tests (ubuntu-latest, 3.x)	2m 13s
Tests (ubuntu-latest, 3.x, ts-unit)	2m 51s
Python Tests (windows-latest, 3.8)	7m 23s
Python Tests (windows-latest, 3.x)	7m 37s
Tests (ubuntu-latest, 3.x, venv)	3m 5s
Tests (ubuntu-latest, 3.x, single-workspace)	3m 44s
Tests (ubuntu-latest, 3.x, debugger)	2m 12s
Tests (ubuntu-latest, 3.x, functional)	2m 6s
Tests (windows-latest, 3.x, ts-unit)	6m 16s
Tests (windows-latest, 3.x, venv)	7m 45s
Tests (windows-latest, 3.x, single-workspace)	7m 18s
Tests (windows-latest, 3.x, debugger)	6m 53s
Tests (windows-latest, 3.x, functional)	5m 27s
Smoke tests (ubuntu-latest)	2m 40s
Smoke tests (windows-latest)	6m 59s
	1h 33m 26s

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