[Demo] Modernize TypeScript demos to NodeNext + ES2022 #489

Job	Run time
build-and-test / build (24.X, x64, humble)	5m 59s
build-and-test / build (24.X, x64, jazzy)	6m 44s
build-and-test / build (26.X, x64, kilted)	6m 57s
build-and-test / build (26.X, x64, lyrical)	13m 53s
build-and-test / build (24.X, x64, lyrical)	13m 19s
build-and-test / build (26.X, x64, humble)	6m 32s
build-and-test / build (26.X, x64, rolling)	18m 38s
build-and-test / build (24.X, x64, kilted)	7m 9s
build-and-test / build (24.X, x64, rolling)	17m 20s
build-and-test / build (26.X, x64, jazzy)	7m 57s
	1h 44m 28s

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