Bump dessant/lock-threads from 4 to 5 #1417

Job	Run time
Lint	2m 38s
Create VSIX	4m 21s
Check Python types	1m 25s
Coverage (ubuntu-latest)	10m 40s
Python Tests (ubuntu-latest, 3.8)	1m 58s
Python Tests (ubuntu-latest, 3.x)	3m 5s
Python Tests (ubuntu-latest, 3.12-dev)	2m 8s
Tests (ubuntu-latest, 3.x, ts-unit)	4m 44s
Python Tests (windows-latest, 3.8)	4m 0s
Tests (ubuntu-latest, 3.x, venv)	4m 37s
Python Tests (windows-latest, 3.x)	3m 52s
Tests (ubuntu-latest, 3.x, single-workspace)	4m 7s
Python Tests (windows-latest, 3.12-dev)	5m 13s
Tests (ubuntu-latest, 3.x, debugger)	2m 51s
Tests (ubuntu-latest, 3.x, functional)	2m 24s
Tests (windows-latest, 3.x, ts-unit)	6m 53s
Tests (windows-latest, 3.x, venv)	8m 14s
Tests (windows-latest, 3.x, single-workspace)	6m 55s
Tests (windows-latest, 3.x, debugger)	10m 1s
Tests (windows-latest, 3.x, functional)	5m 53s
Smoke tests (ubuntu-latest)	3m 12s
Smoke tests (windows-latest)	5m 11s
	1h 44m 22s

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