feat: Add support for `vars` attribute in `SentryStackFrame` #5093

Job	Run time
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	3m 28s
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	6m 13s
system-test (sentry-samples-spring-boot, false, true)	3m 55s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	3m 30s
system-test (sentry-samples-spring-boot-jakarta, false, true)	3m 43s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	6m 9s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	6m 28s
system-test (sentry-samples-spring-boot-4, false, true)	3m 12s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	6m 22s
system-test (sentry-samples-console, false, true)	2m 40s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	6m 17s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	7m 4s
system-test (sentry-samples-jul, false, true)	2m 12s
system-test (sentry-samples-log4j2, false, true)	2m 39s
system-test (sentry-samples-spring-boot-webflux, false, true)	3m 29s
system-test (sentry-samples-spring-jakarta, false, true)	3m 36s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	6m 25s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	6m 6s
system-test (sentry-samples-logback, false, true)	2m 6s
	1h 25m 34s

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