chore(changelog): Add metrics documentation link #6552

Job	Run time
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	5m 1s
system-test (sentry-samples-spring-boot-webflux, false, true)	4m 44s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	7m 8s
system-test (sentry-samples-spring-boot-4, false, true)	6m 3s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	7m 6s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	6m 55s
system-test (sentry-samples-logback, false, true)	2m 2s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	7m 1s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	6m 45s
system-test (sentry-samples-console, false, true)	1m 58s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	5m 26s
system-test (sentry-samples-spring-boot, false, true)	5m 29s
system-test (sentry-samples-log4j2, false, true)	1m 48s
system-test (sentry-samples-jul, false, true)	1m 56s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	7m 9s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	6m 39s
system-test (sentry-samples-spring-boot-jakarta, false, true)	5m 58s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	7m 0s
system-test (sentry-samples-spring-7, false, true)	3m 58s
system-test (sentry-samples-spring, false, true)	3m 58s
system-test (sentry-samples-spring-jakarta, false, true)	3m 51s
	1h 47m 55s

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