win: enable PowerShell as TI runs #128 #412 #421 #1469

Job	Run time
lint (npm run lint:eslint, macos)	1m 40s
lint (npm run lint:eslint, ubuntu)	1m 3s
lint (npm run lint:eslint, windows)	3m 6s
pylint (macos)	11s
lint (npm run lint:yaml, macos)	41s
pylint (ubuntu)	12s
lint (npm run lint:yaml, ubuntu)	29s
pylint (windows)	38s
lint (npm run lint:yaml, windows)	1m 41s
lint (npm run lint:md, macos)	47s
todo-check	5s
lint (npm run lint:md, ubuntu)	27s
lint (npm run lint:md, windows)	2m 26s
lint (npm run lint:md:relative-urls, macos)	45s
validate-collection-files (macos)	14s
lint (npm run lint:md:relative-urls, ubuntu)	30s
validate-collection-files (ubuntu)	16s
lint (npm run lint:md:relative-urls, windows)	4m 5s
validate-collection-files (windows)	54s
lint (npm run lint:md:consistency, macos)	40s
lint (npm run lint:md:consistency, ubuntu)	28s
lint (npm run lint:md:consistency, windows)	3m 6s
	24m 24s

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