Fallback when getent is not available #2802

Job	Run time
CLI	55s
Tests Matrix (src/test/container-features/containerFeaturesOrder.test.ts)	1m 16s
Tests Matrix (src/test/container-features/e2e.test.ts)	2m 16s
Tests Matrix (src/test/container-features/featuresCLICommands.test.ts)	1m 50s
Tests Matrix (src/test/cli.build.test.ts)	3m 28s
Tests Matrix (src/test/cli.exec.buildKit.1.test.ts)	2m 24s
Tests Matrix (src/test/cli.exec.buildKit.2.test.ts)	2m 31s
Tests Matrix (src/test/cli.exec.nonBuildKit.1.test.ts)	2m 22s
Tests Matrix (src/test/cli.exec.nonBuildKit.2.test.ts)	3m 9s
Tests Matrix (src/test/cli.test.ts)	1m 17s
Tests Matrix (src/test/cli.up.test.ts)	3m 44s
Tests Matrix (src/test/imageMetadata.test.ts)	4m 36s
Tests Matrix (src/test/container-features/containerFeaturesOCIPush.test.ts)	1m 17s
Tests Matrix (--exclude src/test/container-features/containerFeaturesOrder.test.ts --exclude src/...	3m 17s
OCI Implementation Registry Compatibility	1m 16s
Tests	0s
	35m 38s

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