Discard envelopes on `4xx` and `5xx` response #6280

Job	Run time
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	5m 9s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	5m 8s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 50s
system-test (sentry-samples-spring-boot-4, false, true)	3m 36s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 51s
system-test (sentry-samples-console, false, true)	1m 55s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	5m 10s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	5m 9s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	5m 8s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	3m 50s
system-test (sentry-samples-jul, false, true)	1m 53s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	5m 8s
system-test (sentry-samples-spring-boot, false, true)	3m 42s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	5m 8s
system-test (sentry-samples-logback, false, true)	2m 0s
system-test (sentry-samples-log4j2, false, true)	1m 58s
system-test (sentry-samples-spring, false, true)	3m 10s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	5m 8s
system-test (sentry-samples-spring-boot-jakarta, false, true)	5m 9s
system-test (sentry-samples-spring-7, false, true)	3m 33s
system-test (sentry-samples-spring-jakarta, false, true)	3m 14s
	1h 22m 49s

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