Bump Spring Boot 4 to RC1 #5867

Job	Run time
system-test (sentry-samples-spring-boot, false, true)	3m 58s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	5m 56s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	6m 9s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 49s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	6m 12s
system-test (sentry-samples-log4j2, false, true)	2m 13s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	6m 25s
system-test (sentry-samples-logback, false, true)	1m 58s
system-test (sentry-samples-spring-boot-jakarta, false, true)	5m 36s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	6m 37s
system-test (sentry-samples-jul, false, true)	1m 59s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 45s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	6m 27s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	7m 0s
system-test (sentry-samples-spring-boot-4, false, true)	4m 14s
system-test (sentry-samples-console, false, true)	2m 5s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	4m 34s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	7m 0s
system-test (sentry-samples-spring-jakarta, false, true)	3m 35s
system-test (sentry-samples-spring, false, true)	3m 28s
system-test (sentry-samples-spring-7, false, true)	3m 40s
	1h 36m 40s

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