YAML parsing fixes #1121

Job	Run time
samples (Debug, windows-2022)	3m 11s
samples (Debug, macos-latest)	2m 16s
samples (Release, macos-latest)	3m 26s
samples (Release, ubuntu-24.04)	4m 30s
samples (Release, windows-2022)	12m 11s
samples (Debug, ubuntu-24.04)	3m 16s
	28m 50s

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