Convert `sync.py` to TypeScript #11582

Job	Run time
check-codeql-versions	10s
analyze-other (python)	1m 0s
analyze-other (actions)	48s
analyze-javascript (ubuntu-24.04, linked)	4m 21s
analyze-javascript (ubuntu-24.04)	4m 24s
analyze-javascript (macos-14)	7m 57s
analyze-javascript (windows-2022, linked)	5m 17s
analyze-javascript (windows-2025)	5m 57s
analyze-javascript (windows-2025, linked)	9m 17s
analyze-javascript (ubuntu-22.04, linked)	4m 27s
analyze-javascript (macos-15)	6m 4s
analyze-javascript (macos-15, linked)	5m 53s
analyze-javascript (windows-2022)	5m 34s
analyze-javascript (ubuntu-22.04)	4m 22s
analyze-javascript (macos-14, linked)	5m 51s
	1h 11m 22s

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