ref: Add Nullable for setSampleRate in Options #5082

Job	Run time
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	5m 31s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	5m 32s
system-test (sentry-samples-spring-boot-jakarta, false, true)	2m 51s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 4s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	5m 37s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	5m 28s
system-test (sentry-samples-spring-boot, false, true)	3m 13s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 10s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	5m 51s
system-test (sentry-samples-jul, false, true)	1m 22s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	3m 13s
system-test (sentry-samples-spring-boot-4, false, true)	2m 57s
system-test (sentry-samples-log4j2, false, true)	1m 26s
system-test (sentry-samples-console, false, true)	1m 24s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	5m 44s
system-test (sentry-samples-logback, false, true)	1m 28s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	6m 8s
system-test (sentry-samples-spring-jakarta, false, true)	2m 31s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	5m 44s
	1h 12m 14s

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