Parse and generate YAML in `sync_back.ts` #11693

Job	Run time
check-codeql-versions	17s
analyze-other (actions)	51s
analyze-other (python)	57s
analyze-javascript (windows-2025)	6m 47s
analyze-javascript (macos-14)	8m 23s
analyze-javascript (macos-15, linked)	12m 33s
analyze-javascript (ubuntu-24.04)	4m 28s
analyze-javascript (ubuntu-24.04, linked)	4m 27s
analyze-javascript (windows-2022)	6m 47s
analyze-javascript (macos-15)	9m 32s
analyze-javascript (macos-14, linked)	10m 7s
analyze-javascript (windows-2025, linked)	6m 20s
analyze-javascript (ubuntu-22.04, linked)	4m 53s
analyze-javascript (ubuntu-22.04)	4m 38s
analyze-javascript (windows-2022, linked)	6m 15s
	1h 27m 15s

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