Improving buildDescriptorExcludeList for npm (#4976) #801

Job	Run time
Start	6s
Build integration tests	24s
Build Piper	1m 34s
Run integration tests ("(TestCNBIntegrationBindings\|TestCNBIntegrationWrongBuilderProject\|TestCNB...	1m 29s
Run integration tests ("TestCNBIntegrationPreserveFiles\b")	1m 17s
Run integration tests ("TestCNBIntegrationNPMProject")	1m 53s
Run integration tests ("TestCNBIntegrationMultiImage")	3m 1s
Run integration tests ("TestCNBIntegrationNPMCustomBuildpacksBuildpacklessProject")	1m 20s
Run integration tests ("TestCNBIntegrationNPMCustomBuildpacksFullProject")	1m 30s
Run integration tests ("TestCNBIntegrationProjectDescriptor")	1m 28s
Run integration tests ("TestCNBIntegrationPrePostBuildpacks")	1m 18s
Run integration tests ("TestGolangIntegration")	1m 35s
Run integration tests ("TestGradleIntegration")	1m 18s
Run integration tests ("TestMavenIntegration")	1m 38s
Run integration tests ("TestMTAIntegration")	1m 46s
Run integration tests ("TestTmsUploadIntegration")	1m 7s
Run integration tests ("TestTmsExportIntegration")	53s
Run integration tests ("Test(Gauge\|GCS\|GitHub\|GitOps\|Influx\|NPM\|Piper\|Python\|Sonar\|Vault\|Karma)In...	1m 11s
Finish	6s
	24m 54s

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