Discard envelopes on `4xx` and `5xx` response #6200

Job	Run time
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	6m 23s
system-test (sentry-samples-spring-boot-jakarta, false, true)	6m 2s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	6m 9s
system-test (sentry-samples-console, false, true)	2m 4s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	5m 50s
system-test (sentry-samples-log4j2, false, true)	1m 57s
system-test (sentry-samples-spring-boot, false, true)	3m 45s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 35s
system-test (sentry-samples-jul, false, true)	2m 5s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	6m 21s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	7m 27s
system-test (sentry-samples-spring, false, true)	3m 9s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 47s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	6m 33s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	3m 36s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	6m 22s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	6m 30s
system-test (sentry-samples-spring-7, false, true)	2m 59s
system-test (sentry-samples-spring-jakarta, false, true)	3m 13s
system-test (sentry-samples-spring-boot-4, false, true)	3m 40s
system-test (sentry-samples-logback, false, true)	2m 0s
	1h 33m 27s

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