Upgrade to TypeScript 6 #11983

Job	Run time
analyze-other (actions)	50s
check-codeql-versions	10s
analyze-other (python)	59s
analyze-javascript (windows-2022, linked)	6m 0s
analyze-javascript (ubuntu-24.04, linked)	4m 20s
analyze-javascript (windows-2025, linked)	6m 1s
analyze-javascript (windows-2022)	5m 28s
analyze-javascript (windows-2025)	6m 4s
analyze-javascript (ubuntu-24.04)	4m 24s
analyze-javascript (macos-14)	7m 21s
analyze-javascript (macos-14, linked)	8m 45s
analyze-javascript (ubuntu-22.04)	4m 22s
analyze-javascript (macos-15, linked)	7m 19s
analyze-javascript (ubuntu-22.04, linked)	4m 38s
analyze-javascript (macos-15)	9m 31s
	1h 16m 12s

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