No longer fork Sentry `Scopes` for `reactor-kafka` consumer poll `Runnable` #6792

Job	Run time
system-test (sentry-samples-jul, false, true)	5m 32s
system-test (sentry-samples-spring-jakarta, false, true)	7m 30s
system-test (sentry-samples-spring-boot-4, false, true)	10m 0s
system-test (sentry-samples-spring-7, false, true)	7m 57s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	7m 22s
system-test (sentry-samples-logback, false, true)	4m 41s
system-test (sentry-samples-spring-boot, false, true)	9m 45s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	9m 55s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	8m 25s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	11m 19s
system-test (sentry-samples-console, false, true)	4m 44s
system-test (sentry-samples-spring-boot-jakarta, false, true)	10m 42s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	10m 54s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	10m 33s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	10m 40s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	11m 52s
system-test (sentry-samples-spring, false, true)	7m 39s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	10m 55s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	11m 29s
system-test (sentry-samples-spring-boot-webflux, false, true)	6m 53s
system-test (sentry-samples-log4j2, false, true)	5m 25s
	3h 4m 12s

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