Add e2e tests for Spring 7 sample #5400

Job	Run time
system-test (sentry-samples-spring-boot, false, true)	2m 4s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	4m 25s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	4m 43s
system-test (sentry-samples-spring-boot-jakarta, false, true)	1m 44s
system-test (sentry-samples-spring-boot-webflux, false, true)	2m 8s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	4m 34s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	4m 25s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	2m 5s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	4m 44s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	4m 26s
system-test (sentry-samples-jul, false, true)	53s
system-test (sentry-samples-spring-boot-4, false, true)	1m 57s
system-test (sentry-samples-console, false, true)	49s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	4m 48s
system-test (sentry-samples-log4j2, false, true)	1m 7s
system-test (sentry-samples-spring-7, false, true)	2m 6s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	4m 51s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	2m 25s
system-test (sentry-samples-spring-jakarta, false, true)	1m 46s
system-test (sentry-samples-spring, false, true)	1m 33s
system-test (sentry-samples-logback, false, true)	53s
	58m 26s

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