Update sentry-clj to use v8

[adinauer]

Description

https://github.com/getsentry/sentry-clj still uses v7 of the Java SDK. We could bump it to v8 and ask the maintainer for a review.

[linear]

JAVA-128 Update sentry-clj to use v8

[lcian]

This has been done in getsentry/sentry-clj@83f02dd, closing.