lmit parallel threads #98

Job	Run time
Restore + Build Supporting Suites	55s
Restore + Build Browser Suites	1m 11s
Run Supporting Suites	1m 6s
Run Browser Suite (Studio)	2m 58s
Run Browser Suite (Reader)	2m 59s
Run Browser Suite (Editor)	3m 3s
Run Browser Suite (Shell)	3m 3s
Resolve Release Version	1s
Publish Release Build	1s
Publish GitHub Release	1s
Deploy GitHub Pages	1s
	15m 19s

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