Sibling errors should not be added after propagation #3127

Job	Run time
ci / Run integration tests	1m 4s
Security check of added dependencies	4s
Diff content of NPM package	51s
ci / Run fuzzing tests	26s
ci / Measure test coverage	34s
ci / Check health of package-lock.json file	23s
ci / Lint source files	56s
ci / Check for commonly ignored files	5s
ci / Run tests on Node v14	20s
ci / Run tests on Node v16	21s
ci / Run tests on Node v12	27s
ci / Run CodeQL security scan	1m 37s
ci / Run tests on Node v17	26s
ci / Build 'npmDist' artifact	26s
ci / Build 'denoDist' artifact	20s
	8m 20s

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