increase http timeout (#4923) #763

Job	Run time
Start	6s
Build Piper	1m 25s
Build integration tests	15s
Run integration tests ("(TestCNBIntegrationBindings\|TestCNBIntegrationWrongBuilderProject\|TestCNB...	1m 27s
Run integration tests ("TestCNBIntegrationPreserveFiles\b")	1m 31s
Run integration tests ("TestCNBIntegrationNPMProject")	1m 48s
Run integration tests ("TestCNBIntegrationMultiImage")	2m 52s
Run integration tests ("TestCNBIntegrationNPMCustomBuildpacksBuildpacklessProject")	1m 17s
Run integration tests ("TestCNBIntegrationNPMCustomBuildpacksFullProject")	1m 14s
Run integration tests ("TestCNBIntegrationProjectDescriptor")	1m 13s
Run integration tests ("TestCNBIntegrationPrePostBuildpacks")	1m 39s
Run integration tests ("TestGolangIntegration")	1m 57s
Run integration tests ("TestGradleIntegration")	1m 38s
Run integration tests ("TestMavenIntegration")	2m 2s
Run integration tests ("TestMTAIntegration")	1m 52s
Run integration tests ("TestTmsUploadIntegration")	51s
Run integration tests ("TestTmsExportIntegration")	57s
Run integration tests ("Test(Gauge\|GCS\|GitHub\|GitOps\|Influx\|NPM\|Piper\|Python\|Sonar\|Vault\|Karma)In...	1m 16s
Finish	6s
	25m 26s

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