Stop running CI on `windows-2019` #9612

Job	Run time
analyze-actions	58s
check-codeql-versions	49s
analyze-javascript (ubuntu-22.04)	3m 50s
analyze-javascript (ubuntu-22.04, linked)	3m 51s
analyze-javascript (ubuntu-24.04, linked)	3m 53s
analyze-javascript (windows-2022)	7m 12s
analyze-javascript (windows-2022, linked)	7m 7s
analyze-javascript (ubuntu-24.04)	3m 59s
analyze-javascript (windows-2025)	5m 58s
analyze-javascript (macos-14, linked)	5m 33s
analyze-javascript (macos-13, linked)	6m 17s
analyze-javascript (macos-15, linked)	4m 52s
analyze-javascript (macos-13)	7m 59s
analyze-javascript (macos-15)	5m 3s
analyze-javascript (windows-2025, linked)	7m 23s
analyze-javascript (macos-14)	7m 42s
	1h 22m 26s

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