Stop running CI on `windows-2019` #6931

Job	Run time
Packaging: Action input (macos-latest, linked)	2m 13s
Packaging: Action input (windows-latest, linked)	3m 30s
Packaging: Action input (ubuntu-latest, linked)	1m 14s
Packaging: Action input (ubuntu-latest, default)	1m 6s
Packaging: Action input (windows-latest, default)	3m 32s
Packaging: Action input (macos-latest, default)	3m 6s
Packaging: Action input (windows-latest, nightly-latest)	4m 38s
Packaging: Action input (macos-latest, nightly-latest)	2m 47s
Packaging: Action input (ubuntu-latest, nightly-latest)	1m 12s
	23m 18s

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