Discard envelopes on `4xx` and `5xx` response #6283

Job	Run time
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	6m 2s
system-test (sentry-samples-spring-boot-jakarta, false, true)	5m 44s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	6m 12s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 28s
system-test (sentry-samples-spring-boot, false, true)	3m 5s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	6m 7s
system-test (sentry-samples-logback, false, true)	1m 49s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	6m 29s
system-test (sentry-samples-spring-jakarta, false, true)	3m 12s
system-test (sentry-samples-spring-boot-4, false, true)	3m 51s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 26s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	3m 42s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	6m 27s
system-test (sentry-samples-log4j2, false, true)	2m 7s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	6m 24s
system-test (sentry-samples-console, false, true)	1m 50s
system-test (sentry-samples-jul, false, true)	2m 10s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	6m 21s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	6m 2s
system-test (sentry-samples-spring, false, true)	2m 55s
system-test (sentry-samples-spring-7, false, true)	3m 3s
	1h 30m 26s

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